64299427 has 4 divisors (see below), whose sum is σ = 64889440. Its totient is φ = 63709416.

The previous prime is 64299419. The next prime is 64299437. The reversal of 64299427 is 72499246.

64299427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64299427 - 2³ = 64299419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64299407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294843 + ... + 295060.

It is an arithmetic number, because the mean of its divisors is an integer number (16222360).

Almost surely, 2^64299427 is an apocalyptic number.

64299427 is a deficient number, since it is larger than the sum of its proper divisors (590013).

64299427 is a wasteful number, since it uses less digits than its factorization.

64299427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590012.

The product of its digits is 217728, while the sum is 43.

The square root of 64299427 is about 8018.6923497538. The cubic root of 64299427 is about 400.6228359351.

The spelling of 64299427 in words is "sixty-four million, two hundred ninety-nine thousand, four hundred twenty-seven".