Search a number
-
+
72873713 = 1117389699
BaseRepresentation
bin1000101011111…
…11011011110001
312002010100221102
410111333123301
5122123424323
611121534145
71543262543
oct425773361
9162110842
1072873713
1138154110
12204a4355
1312136853
14996d693
1565e7328
hex457f6f1

72873713 has 8 divisors (see below), whose sum is σ = 84175200. Its totient is φ = 62351680.

The previous prime is 72873707. The next prime is 72873719. The reversal of 72873713 is 31737827.

It is an interprime number because it is at equal distance from previous prime (72873707) and next prime (72873719).

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

It is a cyclic number.

It is not a de Polignac number, because 72873713 - 28 = 72873457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72873719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194663 + ... + 195036.

It is an arithmetic number, because the mean of its divisors is an integer number (10521900).

Almost surely, 272873713 is an apocalyptic number.

It is an amenable number.

72873713 is a deficient number, since it is larger than the sum of its proper divisors (11301487).

72873713 is a wasteful number, since it uses less digits than its factorization.

72873713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389727.

The product of its digits is 49392, while the sum is 38.

The square root of 72873713 is about 8536.6101586051. The cubic root of 72873713 is about 417.6927776942.

The spelling of 72873713 in words is "seventy-two million, eight hundred seventy-three thousand, seven hundred thirteen".

Divisors: 1 11 17 187 389699 4286689 6624883 72873713