77234904 has 32 divisors (see below), whose sum is σ = 214542000. Its totient is φ = 25744896.

The previous prime is 77234891. The next prime is 77234909. The reversal of 77234904 is 40943277.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77234909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178569 + ... + 179000.

Almost surely, 2^77234904 is an apocalyptic number.

It is an amenable number.

77234904 is an abundant number, since it is smaller than the sum of its proper divisors (137307096).

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

77234904 is a wasteful number, since it uses less digits than its factorization.

77234904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357584 (or 357574 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 77234904 is about 8788.3390922290. The cubic root of 77234904 is about 425.8642693950.

The spelling of 77234904 in words is "seventy-seven million, two hundred thirty-four thousand, nine hundred four".