612738944 has 32 divisors (see below), whose sum is σ = 1253692200. Its totient is φ = 298086912.

The previous prime is 612738937. The next prime is 612738967. The reversal of 612738944 is 449837216.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 612738895 and 612738904.

It is a congruent number.

It is an unprimeable number.

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, 59954 + ... + 69425.

Almost surely, 2^612738944 is an apocalyptic number.

612738944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

612738944 is an abundant number, since it is smaller than the sum of its proper divisors (640953256).

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

612738944 is a wasteful number, since it uses less digits than its factorization.

612738944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129430 (or 129418 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 612738944 is about 24753.5642686058. The cubic root of 612738944 is about 849.3600461050.

The spelling of 612738944 in words is "six hundred twelve million, seven hundred thirty-eight thousand, nine hundred forty-four".