77052472 has 16 divisors (see below), whose sum is σ = 165112560. Its totient is φ = 33022464.

The previous prime is 77052457. The next prime is 77052491. The reversal of 77052472 is 27425077.

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, 687913 + ... + 688024.

It is an arithmetic number, because the mean of its divisors is an integer number (10319535).

Almost surely, 2^77052472 is an apocalyptic number.

It is an amenable number.

77052472 is an abundant number, since it is smaller than the sum of its proper divisors (88060088).

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

77052472 is a wasteful number, since it uses less digits than its factorization.

77052472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375950 (or 1375946 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 77052472 is about 8777.9537478845. The cubic root of 77052472 is about 425.5287021115.

The spelling of 77052472 in words is "seventy-seven million, fifty-two thousand, four hundred seventy-two".