61980074 has 12 divisors (see below), whose sum is σ = 100672326. Its totient is φ = 28606032.

The previous prime is 61980049. The next prime is 61980103. The reversal of 61980074 is 47008916.

It can be written as a sum of positive squares in 3 ways, for example, as 41667025 + 20313049 = 6455^2 + 4507^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 91349 + ... + 92024.

Almost surely, 2^61980074 is an apocalyptic number.

61980074 is a deficient number, since it is larger than the sum of its proper divisors (38692252).

61980074 is a wasteful number, since it uses less digits than its factorization.

61980074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183401 (or 183388 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 61980074 is about 7872.7424700672. The cubic root of 61980074 is about 395.7467559151.

The spelling of 61980074 in words is "sixty-one million, nine hundred eighty thousand, seventy-four".