64497356 has 36 divisors (see below), whose sum is σ = 141795024. Its totient is φ = 25127520.

The previous prime is 64497299. The next prime is 64497361. The reversal of 64497356 is 65379446.

64497356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6131 + ... + 12906.

Almost surely, 2^64497356 is an apocalyptic number.

It is an amenable number.

64497356 is an abundant number, since it is smaller than the sum of its proper divisors (77297668).

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

64497356 is a wasteful number, since it uses less digits than its factorization.

64497356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070 (or 19057 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 64497356 is about 8031.0245921676. The cubic root of 64497356 is about 401.0334858014.

The spelling of 64497356 in words is "sixty-four million, four hundred ninety-seven thousand, three hundred fifty-six".