612792328 has 8 divisors (see below), whose sum is σ = 1148985630. Its totient is φ = 306396160.

The previous prime is 612792281. The next prime is 612792347. The reversal of 612792328 is 823297216.

It can be written as a sum of positive squares in only one way, i.e., 384238404 + 228553924 = 19602^2 + 15118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38299513 + ... + 38299528.

Almost surely, 2^612792328 is an apocalyptic number.

It is an amenable number.

612792328 is a deficient number, since it is larger than the sum of its proper divisors (536193302).

612792328 is a wasteful number, since it uses less digits than its factorization.

612792328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76599047 (or 76599043 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 612792328 is about 24754.6425544785. The cubic root of 612792328 is about 849.3847118132.

The spelling of 612792328 in words is "six hundred twelve million, seven hundred ninety-two thousand, three hundred twenty-eight".