64797337 has 4 divisors (see below), whose sum is σ = 70688016. Its totient is φ = 58906660.

The previous prime is 64797331. The next prime is 64797367. The reversal of 64797337 is 73379746.

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 a de Polignac number, because none of the positive numbers 2^k-64797337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64797331) 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, 2945323 + ... + 2945344.

It is an arithmetic number, because the mean of its divisors is an integer number (17672004).

Almost surely, 2^64797337 is an apocalyptic number.

It is an amenable number.

64797337 is a deficient number, since it is larger than the sum of its proper divisors (5890679).

64797337 is a wasteful number, since it uses less digits than its factorization.

64797337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890678.

The product of its digits is 666792, while the sum is 46.

The square root of 64797337 is about 8049.6793103825. The cubic root of 64797337 is about 401.6542678136.

The spelling of 64797337 in words is "sixty-four million, seven hundred ninety-seven thousand, three hundred thirty-seven".