63974602 has 4 divisors (see below), whose sum is σ = 95961906. Its totient is φ = 31987300.

The previous prime is 63974597. The next prime is 63974627. The reversal of 63974602 is 20647936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49829481 + 14145121 = 7059^2 + 3761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15993649 + ... + 15993652.

Almost surely, 2^63974602 is an apocalyptic number.

63974602 is a deficient number, since it is larger than the sum of its proper divisors (31987304).

63974602 is a wasteful number, since it uses less digits than its factorization.

63974602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31987303.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 63974602 is about 7998.4124674838. The cubic root of 63974602 is about 399.9470804991.

The spelling of 63974602 in words is "sixty-three million, nine hundred seventy-four thousand, six hundred two".