64674434 has 8 divisors (see below), whose sum is σ = 105830928. Its totient is φ = 29397460.

The previous prime is 64674433. The next prime is 64674439. The reversal of 64674434 is 43447646.

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 (64674433) 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, 1469852 + ... + 1469895.

It is an arithmetic number, because the mean of its divisors is an integer number (13228866).

Almost surely, 2^64674434 is an apocalyptic number.

64674434 is a deficient number, since it is larger than the sum of its proper divisors (41156494).

64674434 is a wasteful number, since it uses less digits than its factorization.

64674434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939760.

The product of its digits is 193536, while the sum is 38.

The square root of 64674434 is about 8042.0416561965. The cubic root of 64674434 is about 401.4001639668.

It can be divided in two parts, 6467 and 4434, that added together give a palindrome (10901).

The spelling of 64674434 in words is "sixty-four million, six hundred seventy-four thousand, four hundred thirty-four".