64066718 has 16 divisors (see below), whose sum is σ = 98276976. Its totient is φ = 31312320.

The previous prime is 64066703. The next prime is 64066741. The reversal of 64066718 is 81766046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32213 + ... + 34143.

It is an arithmetic number, because the mean of its divisors is an integer number (6142311).

Almost surely, 2^64066718 is an apocalyptic number.

64066718 is a deficient number, since it is larger than the sum of its proper divisors (34210258).

64066718 is a wasteful number, since it uses less digits than its factorization.

64066718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 64066718 is about 8004.1687888250. The cubic root of 64066718 is about 400.1389475617.

The spelling of 64066718 in words is "sixty-four million, sixty-six thousand, seven hundred eighteen".