64369479 has 16 divisors (see below), whose sum is σ = 89770752. Its totient is φ = 40949568.

The previous prime is 64369477. The next prime is 64369499. The reversal of 64369479 is 97496346.

It is not a de Polignac number, because 64369479 - 2¹ = 64369477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64369471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38019 + ... + 39675.

It is an arithmetic number, because the mean of its divisors is an integer number (5610672).

Almost surely, 2^64369479 is an apocalyptic number.

64369479 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

64369479 is a deficient number, since it is larger than the sum of its proper divisors (25401273).

64369479 is a wasteful number, since it uses less digits than its factorization.

64369479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its digits is 979776, while the sum is 48.

The square root of 64369479 is about 8023.0592045678. The cubic root of 64369479 is about 400.7682713697.

The spelling of 64369479 in words is "sixty-four million, three hundred sixty-nine thousand, four hundred seventy-nine".