76909056 has 160 divisors (see below), whose sum is σ = 245127168. Its totient is φ = 20951040.

The previous prime is 76909031. The next prime is 76909057. The reversal of 76909056 is 65090967.

It is a super-2 number, since 2×76909056² = 11830005789622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 76908999 and 76909017.

It is not an unprimeable number, because it can be changed into a prime (76909057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247141 + ... + 247451.

Almost surely, 2^76909056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76909056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122563584).

76909056 is an abundant number, since it is smaller than the sum of its proper divisors (168218112).

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

76909056 is a wasteful number, since it uses less digits than its factorization.

76909056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 76909056 is about 8769.7808410473. The cubic root of 76909056 is about 425.2645292041.

The spelling of 76909056 in words is "seventy-six million, nine hundred nine thousand, fifty-six".