614972864 has 28 divisors (see below), whose sum is σ = 1331278008. Its totient is φ = 279532800.

The previous prime is 614972837. The next prime is 614972887. The reversal of 614972864 is 468279416.

614972864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 436067 + ... + 437474.

Almost surely, 2^614972864 is an apocalyptic number.

614972864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

614972864 is an abundant number, since it is smaller than the sum of its proper divisors (716305144).

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

614972864 is a wasteful number, since it uses less digits than its factorization.

614972864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873564 (or 873554 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 614972864 is about 24798.6464146735. The cubic root of 614972864 is about 850.3909915158.

The spelling of 614972864 in words is "six hundred fourteen million, nine hundred seventy-two thousand, eight hundred sixty-four".