612323972 has 12 divisors (see below), whose sum is σ = 1153995276. Its totient is φ = 282611040.

The previous prime is 612323953. The next prime is 612323983. The reversal of 612323972 is 279323216.

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 509585476 = 10136^2 + 22574^2 .

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, 5887679 + ... + 5887782.

It is an arithmetic number, because the mean of its divisors is an integer number (96166273).

Almost surely, 2^612323972 is an apocalyptic number.

It is an amenable number.

612323972 is a deficient number, since it is larger than the sum of its proper divisors (541671304).

612323972 is a wasteful number, since it uses less digits than its factorization.

612323972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11775478 (or 11775476 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 612323972 is about 24745.1807833364. The cubic root of 612323972 is about 849.1682622916.

The spelling of 612323972 in words is "six hundred twelve million, three hundred twenty-three thousand, nine hundred seventy-two".