612949330 has 24 divisors (see below), whose sum is σ = 1283441868. Its totient is φ = 210153888.

The previous prime is 612949327. The next prime is 612949343. The reversal of 612949330 is 33949216.

It can be written as a sum of positive squares in 2 ways, for example, as 610930089 + 2019241 = 24717^2 + 1421^2 .

It is a super-2 number, since 2×612949330² = 751413762294897800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612949330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624969 + ... + 625948.

Almost surely, 2^612949330 is an apocalyptic number.

612949330 is an abundant number, since it is smaller than the sum of its proper divisors (670492538).

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

612949330 is a wasteful number, since it uses less digits than its factorization.

612949330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250938 (or 1250931 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 612949330 is about 24757.8135141212. The cubic root of 612949330 is about 849.4572452013.

The spelling of 612949330 in words is "six hundred twelve million, nine hundred forty-nine thousand, three hundred thirty".