64872274 has 16 divisors (see below), whose sum is σ = 101869056. Its totient is φ = 30945600.

The previous prime is 64872271. The next prime is 64872277. The reversal of 64872274 is 47227846.

It is an interprime number because it is at equal distance from previous prime (64872271) and next prime (64872277).

It is not an unprimeable number, because it can be changed into a prime (64872271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (6366816).

Almost surely, 2^64872274 is an apocalyptic number.

64872274 is a deficient number, since it is larger than the sum of its proper divisors (36996782).

64872274 is a wasteful number, since it uses less digits than its factorization.

64872274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841.

The product of its digits is 150528, while the sum is 40.

The square root of 64872274 is about 8054.3326228807. The cubic root of 64872274 is about 401.8090435694.

The spelling of 64872274 in words is "sixty-four million, eight hundred seventy-two thousand, two hundred seventy-four".