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76690873 = 710955839
BaseRepresentation
bin1001001001000…
…11010110111001
312100022022002201
410210203112321
5124113101443
611335430201
71620601360
oct444432671
9170268081
1076690873
113a320a96
1221825361
1312b7211c
14a2847d7
156aed34d
hex49235b9

76690873 has 4 divisors (see below), whose sum is σ = 87646720. Its totient is φ = 65735028.

The previous prime is 76690871. The next prime is 76690879. The reversal of 76690873 is 37809667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76690873 - 21 = 76690871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76690871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477913 + ... + 5477926.

It is an arithmetic number, because the mean of its divisors is an integer number (21911680).

Almost surely, 276690873 is an apocalyptic number.

It is an amenable number.

76690873 is a deficient number, since it is larger than the sum of its proper divisors (10955847).

76690873 is a wasteful number, since it uses less digits than its factorization.

76690873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955846.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 76690873 is about 8757.3325276593. The cubic root of 76690873 is about 424.8620045640.

The spelling of 76690873 in words is "seventy-six million, six hundred ninety thousand, eight hundred seventy-three".

Divisors: 1 7 10955839 76690873