64972201 has 8 divisors (see below), whose sum is σ = 74821824. Its totient is φ = 55264560.

The previous prime is 64972199. The next prime is 64972211. The reversal of 64972201 is 10227946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64972201 - 2¹ = 64972199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64972211) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 34510 + ... + 36343.

It is an arithmetic number, because the mean of its divisors is an integer number (9352728).

Almost surely, 2^64972201 is an apocalyptic number.

It is an amenable number.

64972201 is a deficient number, since it is larger than the sum of its proper divisors (9849623).

64972201 is a wasteful number, since it uses less digits than its factorization.

64972201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70991.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 64972201 is about 8060.5335431347. The cubic root of 64972201 is about 402.0152486316.

The spelling of 64972201 in words is "sixty-four million, nine hundred seventy-two thousand, two hundred one".