61864976 has 20 divisors (see below), whose sum is σ = 120117312. Its totient is φ = 30866976.

The previous prime is 61864967. The next prime is 61864997. The reversal of 61864976 is 67946816.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61864976.

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, 4205 + ... + 11891.

Almost surely, 2^61864976 is an apocalyptic number.

It is an amenable number.

61864976 is a deficient number, since it is larger than the sum of its proper divisors (58252336).

61864976 is a wasteful number, since it uses less digits than its factorization.

61864976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198 (or 8192 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 61864976 is about 7865.4291682018. The cubic root of 61864976 is about 395.5016347454.

The spelling of 61864976 in words is "sixty-one million, eight hundred sixty-four thousand, nine hundred seventy-six".