64462172 has 6 divisors (see below), whose sum is σ = 112808808. Its totient is φ = 32231084.

The previous prime is 64462171. The next prime is 64462187. The reversal of 64462172 is 27126446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64462171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057768 + ... + 8057775.

It is an arithmetic number, because the mean of its divisors is an integer number (18801468).

Almost surely, 2^64462172 is an apocalyptic number.

It is an amenable number.

64462172 is a deficient number, since it is larger than the sum of its proper divisors (48346636).

64462172 is a wasteful number, since it uses less digits than its factorization.

64462172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115547 (or 16115545 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 64462172 is about 8028.8337882908. The cubic root of 64462172 is about 400.9605498469.

The spelling of 64462172 in words is "sixty-four million, four hundred sixty-two thousand, one hundred seventy-two".