61239976 has 16 divisors (see below), whose sum is σ = 131228640. Its totient is φ = 26245680.

The previous prime is 61239901. The next prime is 61240027. The reversal of 61239976 is 67993216.

61239976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 546730 + ... + 546841.

It is an arithmetic number, because the mean of its divisors is an integer number (8201790).

Almost surely, 2^61239976 is an apocalyptic number.

It is an amenable number.

61239976 is an abundant number, since it is smaller than the sum of its proper divisors (69988664).

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

61239976 is a wasteful number, since it uses less digits than its factorization.

61239976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093584 (or 1093580 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 61239976 is about 7825.5974851765. The cubic root of 61239976 is about 394.1652531559.

The spelling of 61239976 in words is "sixty-one million, two hundred thirty-nine thousand, nine hundred seventy-six".