64994074 has 8 divisors (see below), whose sum is σ = 98496468. Its totient is φ = 32161920.

The previous prime is 64994071. The next prime is 64994081. The reversal of 64994074 is 47049946.

It can be written as a sum of positive squares in 2 ways, for example, as 59954049 + 5040025 = 7743^2 + 2245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64994074.

It is not an unprimeable number, because it can be changed into a prime (64994071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167317 + ... + 167704.

Almost surely, 2^64994074 is an apocalyptic number.

64994074 is a deficient number, since it is larger than the sum of its proper divisors (33502394).

64994074 is a wasteful number, since it uses less digits than its factorization.

64994074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335120.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 64994074 is about 8061.8902250031. The cubic root of 64994074 is about 402.0603566051.

The spelling of 64994074 in words is "sixty-four million, nine hundred ninety-four thousand, seventy-four".