64701077 has 4 divisors (see below), whose sum is σ = 73944096. Its totient is φ = 55458060.

The previous prime is 64701041. The next prime is 64701083. The reversal of 64701077 is 77010746.

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 not a de Polignac number, because 64701077 - 2⁸ = 64700821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64701097) 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, 4621499 + ... + 4621512.

It is an arithmetic number, because the mean of its divisors is an integer number (18486024).

Almost surely, 2^64701077 is an apocalyptic number.

It is an amenable number.

64701077 is a deficient number, since it is larger than the sum of its proper divisors (9243019).

64701077 is an equidigital number, since it uses as much as digits as its factorization.

64701077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243018.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 64701077 is about 8043.6979679747. The cubic root of 64701077 is about 401.4552760912.

The spelling of 64701077 in words is "sixty-four million, seven hundred one thousand, seventy-seven".