64492968 has 32 divisors (see below), whose sum is σ = 170717760. Its totient is φ = 20232960.

The previous prime is 64492963. The next prime is 64493017. The reversal of 64492968 is 86929446.

It is not an unprimeable number, because it can be changed into a prime (64492963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78628 + ... + 79443.

It is an arithmetic number, because the mean of its divisors is an integer number (5334930).

Almost surely, 2^64492968 is an apocalyptic number.

64492968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64492968 is an abundant number, since it is smaller than the sum of its proper divisors (106224792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64492968 is a wasteful number, since it uses less digits than its factorization.

64492968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158097 (or 158093 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 64492968 is about 8030.7513969740. The cubic root of 64492968 is about 401.0243909849.

The spelling of 64492968 in words is "sixty-four million, four hundred ninety-two thousand, nine hundred sixty-eight".