64397132 has 6 divisors (see below), whose sum is σ = 112694988. Its totient is φ = 32198564.

The previous prime is 64397119. The next prime is 64397147. The reversal of 64397132 is 23179346.

It is a junction number, because it is equal to n+sod(n) for n = 64397092 and 64397101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8049638 + ... + 8049645.

It is an arithmetic number, because the mean of its divisors is an integer number (18782498).

Almost surely, 2^64397132 is an apocalyptic number.

It is an amenable number.

64397132 is a deficient number, since it is larger than the sum of its proper divisors (48297856).

64397132 is a wasteful number, since it uses less digits than its factorization.

64397132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099287 (or 16099285 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 64397132 is about 8024.7823646501. The cubic root of 64397132 is about 400.8256529039.

The spelling of 64397132 in words is "sixty-four million, three hundred ninety-seven thousand, one hundred thirty-two".