612427392 has 80 divisors (see below), whose sum is σ = 1822604850. Its totient is φ = 204139008.

The previous prime is 612427379. The next prime is 612427427. The reversal of 612427392 is 293724216.

612427392 is a `hidden beast` number, since 612 + 4 + 2 + 7 + 39 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 457275456 + 155151936 = 21384^2 + 12456^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19167 + ... + 39902.

Almost surely, 2^612427392 is an apocalyptic number.

It is an amenable number.

612427392 is an abundant number, since it is smaller than the sum of its proper divisors (1210177458).

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

612427392 is an equidigital number, since it uses as much as digits as its factorization.

612427392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59095 (or 59074 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 612427392 is about 24747.2703949345. The cubic root of 612427392 is about 849.2160670713.

The spelling of 612427392 in words is "six hundred twelve million, four hundred twenty-seven thousand, three hundred ninety-two".