64497296 has 10 divisors (see below), whose sum is σ = 124963542. Its totient is φ = 32248640.

The previous prime is 64497281. The next prime is 64497299. The reversal of 64497296 is 69279446.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 16000000 = 6964^2 + 4000^2 .

It is a super-3 number, since 3×64497296³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64497296.

It is not an unprimeable number, because it can be changed into a prime (64497299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015525 + ... + 2015556.

Almost surely, 2^64497296 is an apocalyptic number.

It is an amenable number.

64497296 is a deficient number, since it is larger than the sum of its proper divisors (60466246).

64497296 is a wasteful number, since it uses less digits than its factorization.

64497296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031089 (or 4031083 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 64497296 is about 8031.0208566533. The cubic root of 64497296 is about 401.0333614448.

The spelling of 64497296 in words is "sixty-four million, four hundred ninety-seven thousand, two hundred ninety-six".