64997104 has 10 divisors (see below), whose sum is σ = 125931920. Its totient is φ = 32498544.

The previous prime is 64997087. The next prime is 64997129. The reversal of 64997104 is 40179946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031144 + ... + 2031175.

It is an arithmetic number, because the mean of its divisors is an integer number (12593192).

Almost surely, 2^64997104 is an apocalyptic number.

It is an amenable number.

64997104 is a deficient number, since it is larger than the sum of its proper divisors (60934816).

64997104 is a wasteful number, since it uses less digits than its factorization.

64997104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062327 (or 4062321 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 64997104 is about 8062.0781440023. The cubic root of 64997104 is about 402.0666044770.

The spelling of 64997104 in words is "sixty-four million, nine hundred ninety-seven thousand, one hundred four".