76576920 has 64 divisors (see below), whose sum is σ = 262552320. Its totient is φ = 17503104.

The previous prime is 76576919. The next prime is 76576949. The reversal of 76576920 is 2967567.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44742 + ... + 46421.

It is an arithmetic number, because the mean of its divisors is an integer number (4102380).

Almost surely, 2^76576920 is an apocalyptic number.

76576920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76576920 is an abundant number, since it is smaller than the sum of its proper divisors (185975400).

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

76576920 is a wasteful number, since it uses less digits than its factorization.

76576920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91184 (or 91180 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 76576920 is about 8750.8239612050. The cubic root of 76576920 is about 424.6514697372.

The spelling of 76576920 in words is "seventy-six million, five hundred seventy-six thousand, nine hundred twenty".