64324797 has 4 divisors (see below), whose sum is σ = 85766400. Its totient is φ = 42883196.

The previous prime is 64324769. The next prime is 64324801. The reversal of 64324797 is 79742346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64324797 - 2⁸ = 64324541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64324097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10720797 + ... + 10720802.

It is an arithmetic number, because the mean of its divisors is an integer number (21441600).

Almost surely, 2^64324797 is an apocalyptic number.

It is an amenable number.

64324797 is a deficient number, since it is larger than the sum of its proper divisors (21441603).

64324797 is a wasteful number, since it uses less digits than its factorization.

64324797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21441602.

The product of its digits is 254016, while the sum is 42.

The square root of 64324797 is about 8020.2741224973. The cubic root of 64324797 is about 400.6755189598.

The spelling of 64324797 in words is "sixty-four million, three hundred twenty-four thousand, seven hundred ninety-seven".