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76728714 = 2312788119
BaseRepresentation
bin1001001001011…
…00100110001010
312100101020000020
410210230212022
5124120304324
611340321310
71621116606
oct444544612
9170336006
1076728714
113a347467
1221843236
1312b8640a
14a294506
156b09679
hex492c98a

76728714 has 8 divisors (see below), whose sum is σ = 153457440. Its totient is φ = 25576236.

The previous prime is 76728709. The next prime is 76728719. The reversal of 76728714 is 41782767.

It is an interprime number because it is at equal distance from previous prime (76728709) and next prime (76728719).

It is a sphenic number, since it is the product of 3 distinct primes.

76728714 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76728719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6394054 + ... + 6394065.

It is an arithmetic number, because the mean of its divisors is an integer number (19182180).

Almost surely, 276728714 is an apocalyptic number.

76728714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76728714 is a wasteful number, since it uses less digits than its factorization.

76728714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788124.

The product of its digits is 131712, while the sum is 42.

The square root of 76728714 is about 8759.4927935355. The cubic root of 76728714 is about 424.9318718939.

The spelling of 76728714 in words is "seventy-six million, seven hundred twenty-eight thousand, seven hundred fourteen".

Divisors: 1 2 3 6 12788119 25576238 38364357 76728714