64039474 has 8 divisors (see below), whose sum is σ = 98103168. Its totient is φ = 31338420.

The previous prime is 64039463. The next prime is 64039477. The reversal of 64039474 is 47493046.

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

It is not an unprimeable number, because it can be changed into a prime (64039477) 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, 340542 + ... + 340729.

It is an arithmetic number, because the mean of its divisors is an integer number (12262896).

Almost surely, 2^64039474 is an apocalyptic number.

64039474 is a deficient number, since it is larger than the sum of its proper divisors (34063694).

64039474 is a wasteful number, since it uses less digits than its factorization.

64039474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681320.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 64039474 is about 8002.4667446982. The cubic root of 64039474 is about 400.0822205983.

The spelling of 64039474 in words is "sixty-four million, thirty-nine thousand, four hundred seventy-four".