61872650 has 24 divisors (see below), whose sum is σ = 131524320. Its totient is φ = 21213360.

The previous prime is 61872619. The next prime is 61872719. The reversal of 61872650 is 5627816.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 61872650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88040 + ... + 88739.

It is an arithmetic number, because the mean of its divisors is an integer number (5480180).

Almost surely, 2^61872650 is an apocalyptic number.

61872650 is an abundant number, since it is smaller than the sum of its proper divisors (69651670).

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

61872650 is a wasteful number, since it uses less digits than its factorization.

61872650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176798 (or 176793 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 61872650 is about 7865.9169840521. The cubic root of 61872650 is about 395.5179873154.

The spelling of 61872650 in words is "sixty-one million, eight hundred seventy-two thousand, six hundred fifty".