64972412 has 12 divisors (see below), whose sum is σ = 117622680. Its totient is φ = 31365936.

The previous prime is 64972361. The next prime is 64972417. The reversal of 64972412 is 21427946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64972417) 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, 279938 + ... + 280169.

It is an arithmetic number, because the mean of its divisors is an integer number (9801890).

Almost surely, 2^64972412 is an apocalyptic number.

It is an amenable number.

64972412 is a deficient number, since it is larger than the sum of its proper divisors (52650268).

64972412 is a wasteful number, since it uses less digits than its factorization.

64972412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560140 (or 560138 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 64972412 is about 8060.5466315877. The cubic root of 64972412 is about 402.0156838183.

The spelling of 64972412 in words is "sixty-four million, nine hundred seventy-two thousand, four hundred twelve".