61982572 has 6 divisors (see below), whose sum is σ = 108469508. Its totient is φ = 30991284.

The previous prime is 61982521. The next prime is 61982581. The reversal of 61982572 is 27528916.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7747818 + ... + 7747825.

Almost surely, 2^61982572 is an apocalyptic number.

It is an amenable number.

61982572 is a deficient number, since it is larger than the sum of its proper divisors (46486936).

61982572 is a wasteful number, since it uses less digits than its factorization.

61982572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495647 (or 15495645 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 61982572 is about 7872.9011171232. The cubic root of 61982572 is about 395.7520724739.

The spelling of 61982572 in words is "sixty-one million, nine hundred eighty-two thousand, five hundred seventy-two".