76380972 has 12 divisors (see below), whose sum is σ = 178222296. Its totient is φ = 25460320.

The previous prime is 76380961. The next prime is 76380977. The reversal of 76380972 is 27908367.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (76380977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182529 + ... + 3182552.

It is an arithmetic number, because the mean of its divisors is an integer number (14851858).

Almost surely, 2^76380972 is an apocalyptic number.

It is an amenable number.

76380972 is an abundant number, since it is smaller than the sum of its proper divisors (101841324).

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

76380972 is a wasteful number, since it uses less digits than its factorization.

76380972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365088 (or 6365086 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 76380972 is about 8739.6208155732. The cubic root of 76380972 is about 424.2889554592.

The spelling of 76380972 in words is "seventy-six million, three hundred eighty thousand, nine hundred seventy-two".