61623712 has 24 divisors (see below), whose sum is σ = 122578596. Its totient is φ = 30492672.

The previous prime is 61623701. The next prime is 61623769. The reversal of 61623712 is 21732616.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 2702736 = 7676^2 + 1644^2 .

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, 6823 + ... + 13030.

Almost surely, 2^61623712 is an apocalyptic number.

It is an amenable number.

61623712 is a deficient number, since it is larger than the sum of its proper divisors (60954884).

61623712 is a wasteful number, since it uses less digits than its factorization.

61623712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960 (or 19952 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 61623712 is about 7850.0771970727. The cubic root of 61623712 is about 394.9868328677.

The spelling of 61623712 in words is "sixty-one million, six hundred twenty-three thousand, seven hundred twelve".