61972400 has 60 divisors (see below), whose sum is σ = 170166192. Its totient is φ = 21246720.

The previous prime is 61972303. The next prime is 61972439. The reversal of 61972400 is 427916.

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, 8267 + ... + 13866.

Almost surely, 2^61972400 is an apocalyptic number.

It is an amenable number.

61972400 is an abundant number, since it is smaller than the sum of its proper divisors (108193792).

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

61972400 is a wasteful number, since it uses less digits than its factorization.

61972400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158 (or 22147 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 61972400 is about 7872.2550771682. The cubic root of 61972400 is about 395.7304222466.

The spelling of 61972400 in words is "sixty-one million, nine hundred seventy-two thousand, four hundred".