61712976 has 40 divisors (see below), whose sum is σ = 171690400. Its totient is φ = 18988416.

The previous prime is 61712953. The next prime is 61712977. The reversal of 61712976 is 67921716.

61712976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61712977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48826 + ... + 50073.

It is an arithmetic number, because the mean of its divisors is an integer number (4292260).

Almost surely, 2^61712976 is an apocalyptic number.

It is an amenable number.

61712976 is an abundant number, since it is smaller than the sum of its proper divisors (109977424).

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

61712976 is a wasteful number, since it uses less digits than its factorization.

61712976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98923 (or 98917 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 61712976 is about 7855.7606888194. The cubic root of 61712976 is about 395.1774580508.

The spelling of 61712976 in words is "sixty-one million, seven hundred twelve thousand, nine hundred seventy-six".