61679264 has 24 divisors (see below), whose sum is σ = 128575188. Its totient is φ = 29025280.

The previous prime is 61679257. The next prime is 61679291. The reversal of 61679264 is 46297616.

It can be written as a sum of positive squares in 2 ways, for example, as 50523664 + 11155600 = 7108^2 + 3340^2 .

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, 56147 + ... + 57234.

Almost surely, 2^61679264 is an apocalyptic number.

It is an amenable number.

61679264 is an abundant number, since it is smaller than the sum of its proper divisors (66895924).

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

61679264 is a wasteful number, since it uses less digits than its factorization.

61679264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113408 (or 113400 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 61679264 is about 7853.6147091642. The cubic root of 61679264 is about 395.1054869684.

The spelling of 61679264 in words is "sixty-one million, six hundred seventy-nine thousand, two hundred sixty-four".