76907440 has 60 divisors (see below), whose sum is σ = 188787024. Its totient is φ = 29132928.

The previous prime is 76907437. The next prime is 76907477. The reversal of 76907440 is 4470967.

It is a self number, because there is not a number n which added to its sum of digits gives 76907440.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 27549 + ... + 30211.

Almost surely, 2^76907440 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 76907440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94393512).

76907440 is an abundant number, since it is smaller than the sum of its proper divisors (111879584).

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

76907440 is a wasteful number, since it uses less digits than its factorization.

76907440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 76907440 is about 8769.6887059918. The cubic root of 76907440 is about 425.2615506546.

The spelling of 76907440 in words is "seventy-six million, nine hundred seven thousand, four hundred forty".