612645232 has 20 divisors (see below), whose sum is σ = 1209398040. Its totient is φ = 300542528.

The previous prime is 612645217. The next prime is 612645233. The reversal of 612645232 is 232546216.

It is a junction number, because it is equal to n+sod(n) for n = 612645194 and 612645203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612645233) 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 3 ways as a sum of consecutive naturals, for example, 360382 + ... + 362077.

It is an arithmetic number, because the mean of its divisors is an integer number (60469902).

Almost surely, 2^612645232 is an apocalyptic number.

It is an amenable number.

612645232 is a deficient number, since it is larger than the sum of its proper divisors (596752808).

612645232 is a wasteful number, since it uses less digits than its factorization.

612645232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722520 (or 722514 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 612645232 is about 24751.6712971064. The cubic root of 612645232 is about 849.3167436581.

The spelling of 612645232 in words is "six hundred twelve million, six hundred forty-five thousand, two hundred thirty-two".