64692994 has 4 divisors (see below), whose sum is σ = 97039494. Its totient is φ = 32346496.

The previous prime is 64692959. The next prime is 64693033. The reversal of 64692994 is 49929646.

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., 64561225 + 131769 = 8035^2 + 363^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16173247 + ... + 16173250.

Almost surely, 2^64692994 is an apocalyptic number.

64692994 is a deficient number, since it is larger than the sum of its proper divisors (32346500).

64692994 is a wasteful number, since it uses less digits than its factorization.

64692994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32346499.

The product of its digits is 839808, while the sum is 49.

The square root of 64692994 is about 8043.1955092488. The cubic root of 64692994 is about 401.4385576774.

The spelling of 64692994 in words is "sixty-four million, six hundred ninety-two thousand, nine hundred ninety-four".