64424633 has 16 divisors (see below), whose sum is σ = 82742016. Its totient is φ = 48755520.

The previous prime is 64424623. The next prime is 64424651. The reversal of 64424633 is 33642446.

It is a cyclic number.

It is not a de Polignac number, because 64424633 - 2⁸ = 64424377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64424633.

It is not an unprimeable number, because it can be changed into a prime (64424623) 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, 13298 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (5171376).

Almost surely, 2^64424633 is an apocalyptic number.

It is an amenable number.

64424633 is a deficient number, since it is larger than the sum of its proper divisors (18317383).

64424633 is a wasteful number, since it uses less digits than its factorization.

64424633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30824.

The product of its digits is 41472, while the sum is 32.

The square root of 64424633 is about 8026.4956861634. The cubic root of 64424633 is about 400.8827027402.

The spelling of 64424633 in words is "sixty-four million, four hundred twenty-four thousand, six hundred thirty-three".