61936900 has 27 divisors (see below), whose sum is σ = 134574069. Its totient is φ = 24743280.

The previous prime is 61936883. The next prime is 61936939. The reversal of 61936900 is 963916.

The square root of 61936900 is 7870.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 39639616 = 4722^2 + 6296^2 .

It is a super-2 number, since 2×61936900² = 7672359163220000, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78307 + ... + 79093.

Almost surely, 2^61936900 is an apocalyptic number.

61936900 is the 7870-th square number.

It is an amenable number.

61936900 is an abundant number, since it is smaller than the sum of its proper divisors (72637169).

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

61936900 is an equidigital number, since it uses as much as digits as its factorization.

61936900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The cubic root of 61936900 is about 395.6548449825.

The spelling of 61936900 in words is "sixty-one million, nine hundred thirty-six thousand, nine hundred".