77230552 has 32 divisors (see below), whose sum is σ = 169535520. Its totient is φ = 32290560.

The previous prime is 77230547. The next prime is 77230561. The reversal of 77230552 is 25503277.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14523 + ... + 19114.

It is an arithmetic number, because the mean of its divisors is an integer number (5297985).

Almost surely, 2^77230552 is an apocalyptic number.

It is an amenable number.

77230552 is an abundant number, since it is smaller than the sum of its proper divisors (92304968).

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

77230552 is a wasteful number, since it uses less digits than its factorization.

77230552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33691 (or 33687 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 77230552 is about 8788.0914879170. The cubic root of 77230552 is about 425.8562704376.

The spelling of 77230552 in words is "seventy-seven million, two hundred thirty thousand, five hundred fifty-two".