77601372 has 12 divisors (see below), whose sum is σ = 181069896. Its totient is φ = 25867120.

The previous prime is 77601323. The next prime is 77601427. The reversal of 77601372 is 27310677.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233379 + ... + 3233402.

It is an arithmetic number, because the mean of its divisors is an integer number (15089158).

Almost surely, 2^77601372 is an apocalyptic number.

It is an amenable number.

77601372 is an abundant number, since it is smaller than the sum of its proper divisors (103468524).

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

77601372 is a wasteful number, since it uses less digits than its factorization.

77601372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466788 (or 6466786 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 77601372 is about 8809.1640920124. The cubic root of 77601372 is about 426.5367608535.

The spelling of 77601372 in words is "seventy-seven million, six hundred one thousand, three hundred seventy-two".