76440856 has 8 divisors (see below), whose sum is σ = 143326620. Its totient is φ = 38220424.

The previous prime is 76440841. The next prime is 76440883. The reversal of 76440856 is 65804467.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4777546 + ... + 4777561.

Almost surely, 2^76440856 is an apocalyptic number.

It is an amenable number.

76440856 is a deficient number, since it is larger than the sum of its proper divisors (66885764).

76440856 is a wasteful number, since it uses less digits than its factorization.

76440856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555113 (or 9555109 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 76440856 is about 8743.0461510849. The cubic root of 76440856 is about 424.3998097811.

The spelling of 76440856 in words is "seventy-six million, four hundred forty thousand, eight hundred fifty-six".