64972098 has 32 divisors (see below), whose sum is σ = 146836800. Its totient is φ = 21289248.

The previous prime is 64972087. The next prime is 64972133. The reversal of 64972098 is 89027946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7011 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (4588650).

Almost surely, 2^64972098 is an apocalyptic number.

64972098 is an abundant number, since it is smaller than the sum of its proper divisors (81864702).

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

64972098 is a wasteful number, since it uses less digits than its factorization.

64972098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463 (or 20457 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 64972098 is about 8060.5271539770. The cubic root of 64972098 is about 402.0150361941.

The spelling of 64972098 in words is "sixty-four million, nine hundred seventy-two thousand, ninety-eight".