768725392 has 20 divisors (see below), whose sum is σ = 1493169436. Its totient is φ = 383391360.

The previous prime is 768725387. The next prime is 768725509. The reversal of 768725392 is 293527867.

It can be written as a sum of positive squares in 2 ways, for example, as 204947856 + 563777536 = 14316^2 + 23744^2 .

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, 54159 + ... + 66862.

Almost surely, 2^768725392 is an apocalyptic number.

It is an amenable number.

768725392 is a deficient number, since it is larger than the sum of its proper divisors (724444044).

768725392 is a wasteful number, since it uses less digits than its factorization.

768725392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121426 (or 121420 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 768725392 is about 27725.8974967448. The cubic root of 768725392 is about 916.0596250351.

The spelling of 768725392 in words is "seven hundred sixty-eight million, seven hundred twenty-five thousand, three hundred ninety-two".