64672274 has 8 divisors (see below), whose sum is σ = 101226240. Its totient is φ = 30930196.

The previous prime is 64672259. The next prime is 64672277. The reversal of 64672274 is 47227646.

64672274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (64672277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702914 + ... + 703005.

It is an arithmetic number, because the mean of its divisors is an integer number (12653280).

Almost surely, 2^64672274 is an apocalyptic number.

64672274 is a deficient number, since it is larger than the sum of its proper divisors (36553966).

64672274 is a wasteful number, since it uses less digits than its factorization.

64672274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405944.

The product of its digits is 112896, while the sum is 38.

The square root of 64672274 is about 8041.9073608193. The cubic root of 64672274 is about 401.3956952561.

It can be divided in two parts, 64672 and 274, that added together give a palindrome (64946).

The spelling of 64672274 in words is "sixty-four million, six hundred seventy-two thousand, two hundred seventy-four".