64730444074 has 8 divisors (see below), whose sum is σ = 97389007488. Its totient is φ = 32267441580.

The previous prime is 64730444069. The next prime is 64730444137. The reversal of 64730444074 is 47044403746.

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 64730444074.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48889402 + ... + 48890725.

It is an arithmetic number, because the mean of its divisors is an integer number (12173625936).

Almost surely, 2^64730444074 is an apocalyptic number.

64730444074 is a deficient number, since it is larger than the sum of its proper divisors (32658563414).

64730444074 is a wasteful number, since it uses less digits than its factorization.

64730444074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97780460.

The product of its (nonzero) digits is 903168, while the sum is 43.

The spelling of 64730444074 in words is "sixty-four billion, seven hundred thirty million, four hundred forty-four thousand, seventy-four".