64452297 has 48 divisors (see below), whose sum is σ = 111464640. Its totient is φ = 32796288.

The previous prime is 64452281. The next prime is 64452299. The reversal of 64452297 is 79225446.

It is not a de Polignac number, because 64452297 - 2⁴ = 64452281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (64452299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54838 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (2322180).

Almost surely, 2^64452297 is an apocalyptic number.

It is an amenable number.

64452297 is a deficient number, since it is larger than the sum of its proper divisors (47012343).

64452297 is a wasteful number, since it uses less digits than its factorization.

64452297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1215 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 64452297 is about 8028.2187937300. The cubic root of 64452297 is about 400.9400743365.

The spelling of 64452297 in words is "sixty-four million, four hundred fifty-two thousand, two hundred ninety-seven".