64299975 has 12 divisors (see below), whose sum is σ = 106309416. Its totient is φ = 34293280.

The previous prime is 64299953. The next prime is 64299979. The reversal of 64299975 is 57999246.

It is not a de Polignac number, because 64299975 - 2⁷ = 64299847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64299979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428592 + ... + 428741.

It is an arithmetic number, because the mean of its divisors is an integer number (8859118).

Almost surely, 2^64299975 is an apocalyptic number.

64299975 is a deficient number, since it is larger than the sum of its proper divisors (42009441).

64299975 is a wasteful number, since it uses less digits than its factorization.

64299975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857346 (or 857341 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The square root of 64299975 is about 8018.7265198409. The cubic root of 64299975 is about 400.6239740515.

The spelling of 64299975 in words is "sixty-four million, two hundred ninety-nine thousand, nine hundred seventy-five".