64933479 has 24 divisors (see below), whose sum is σ = 101770032. Its totient is φ = 39657600.

The previous prime is 64933457. The next prime is 64933481. The reversal of 64933479 is 97433946.

It is not a de Polignac number, because 64933479 - 2⁵ = 64933447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64933679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14004 + ... + 18054.

It is an arithmetic number, because the mean of its divisors is an integer number (4240418).

Almost surely, 2^64933479 is an apocalyptic number.

64933479 is a deficient number, since it is larger than the sum of its proper divisors (36836553).

64933479 is a wasteful number, since it uses less digits than its factorization.

64933479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4204 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 64933479 is about 8058.1312349701. The cubic root of 64933479 is about 401.9353686843.

The spelling of 64933479 in words is "sixty-four million, nine hundred thirty-three thousand, four hundred seventy-nine".