76623920 has 40 divisors (see below), whose sum is σ = 178515360. Its totient is φ = 30586880.

The previous prime is 76623919. The next prime is 76623931. The reversal of 76623920 is 2932667.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73805 + ... + 74835.

It is an arithmetic number, because the mean of its divisors is an integer number (4462884).

Almost surely, 2^76623920 is an apocalyptic number.

It is an amenable number.

76623920 is an abundant number, since it is smaller than the sum of its proper divisors (101891440).

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

76623920 is a wasteful number, since it uses less digits than its factorization.

76623920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 76623920 is about 8753.5090106768. The cubic root of 76623920 is about 424.7383302742.

The spelling of 76623920 in words is "seventy-six million, six hundred twenty-three thousand, nine hundred twenty".