64272692 has 12 divisors (see below), whose sum is σ = 122702496. Its totient is φ = 29214840.

The previous prime is 64272683. The next prime is 64272709. The reversal of 64272692 is 29627246.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730328 + ... + 730415.

It is an arithmetic number, because the mean of its divisors is an integer number (10225208).

Almost surely, 2^64272692 is an apocalyptic number.

It is an amenable number.

64272692 is a deficient number, since it is larger than the sum of its proper divisors (58429804).

64272692 is a wasteful number, since it uses less digits than its factorization.

64272692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460758 (or 1460756 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 64272692 is about 8017.0251340507. The cubic root of 64272692 is about 400.5673033702.

It can be divided in two parts, 6427 and 2692, that added together give a palindrome (9119).

The spelling of 64272692 in words is "sixty-four million, two hundred seventy-two thousand, six hundred ninety-two".