64497366 has 12 divisors (see below), whose sum is σ = 139744332. Its totient is φ = 21499116.

The previous prime is 64497361. The next prime is 64497373. The reversal of 64497366 is 66379446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64497361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1791576 + ... + 1791611.

It is an arithmetic number, because the mean of its divisors is an integer number (11645361).

Almost surely, 2^64497366 is an apocalyptic number.

64497366 is an abundant number, since it is smaller than the sum of its proper divisors (75246966).

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

64497366 is a wasteful number, since it uses less digits than its factorization.

64497366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583195 (or 3583192 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 64497366 is about 8031.0252147531. The cubic root of 64497366 is about 401.0335065275.

The spelling of 64497366 in words is "sixty-four million, four hundred ninety-seven thousand, three hundred sixty-six".