76401656 has 8 divisors (see below), whose sum is σ = 143253120. Its totient is φ = 38200824.

The previous prime is 76401629. The next prime is 76401671. The reversal of 76401656 is 65610467.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 4775096 + ... + 4775111.

It is an arithmetic number, because the mean of its divisors is an integer number (17906640).

Almost surely, 2^76401656 is an apocalyptic number.

It is an amenable number.

76401656 is a deficient number, since it is larger than the sum of its proper divisors (66851464).

76401656 is a wasteful number, since it uses less digits than its factorization.

76401656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550213 (or 9550209 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 76401656 is about 8740.8040820053. The cubic root of 76401656 is about 424.3272512130.

The spelling of 76401656 in words is "seventy-six million, four hundred one thousand, six hundred fifty-six".