64081292 has 12 divisors (see below), whose sum is σ = 122337096. Its totient is φ = 29127840.

The previous prime is 64081261. The next prime is 64081307. The reversal of 64081292 is 29218046.

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, 728153 + ... + 728240.

It is an arithmetic number, because the mean of its divisors is an integer number (10194758).

Almost surely, 2^64081292 is an apocalyptic number.

It is an amenable number.

64081292 is a deficient number, since it is larger than the sum of its proper divisors (58255804).

64081292 is a wasteful number, since it uses less digits than its factorization.

64081292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456408 (or 1456406 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 64081292 is about 8005.0791376475. The cubic root of 64081292 is about 400.1692866783.

The spelling of 64081292 in words is "sixty-four million, eighty-one thousand, two hundred ninety-two".