61900992 has 42 divisors (see below), whose sum is σ = 177429668. Its totient is φ = 20633472.

The previous prime is 61900987. The next prime is 61901023. The reversal of 61900992 is 29900916.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53158 + ... + 54309.

Almost surely, 2^61900992 is an apocalyptic number.

It is an amenable number.

61900992 is an abundant number, since it is smaller than the sum of its proper divisors (115528676).

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

61900992 is a wasteful number, since it uses less digits than its factorization.

61900992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107485 (or 107472 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 61900992 is about 7867.7183477804. The cubic root of 61900992 is about 395.5783697278.

The spelling of 61900992 in words is "sixty-one million, nine hundred thousand, nine hundred ninety-two".