64304997 has 8 divisors (see below), whose sum is σ = 86773344. Its totient is φ = 42353328.

The previous prime is 64304969. The next prime is 64305013. The reversal of 64304997 is 79940346.

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

It is not a de Polignac number, because 64304997 - 2¹⁴ = 64288613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64304917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128878 + ... + 129375.

It is an arithmetic number, because the mean of its divisors is an integer number (10846668).

Almost surely, 2^64304997 is an apocalyptic number.

It is an amenable number.

64304997 is a deficient number, since it is larger than the sum of its proper divisors (22468347).

64304997 is a wasteful number, since it uses less digits than its factorization.

64304997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258339.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 64304997 is about 8019.0396557194. The cubic root of 64304997 is about 400.6344037146.

The spelling of 64304997 in words is "sixty-four million, three hundred four thousand, nine hundred ninety-seven".