64624105 has 16 divisors (see below), whose sum is σ = 95445504. Its totient is φ = 40904640.

The previous prime is 64624103. The next prime is 64624117. The reversal of 64624105 is 50142646.

It is not a de Polignac number, because 64624105 - 2¹ = 64624103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64624103) 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, 70561 + ... + 71470.

It is an arithmetic number, because the mean of its divisors is an integer number (5965344).

Almost surely, 2^64624105 is an apocalyptic number.

64624105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64624105 is a deficient number, since it is larger than the sum of its proper divisors (30821399).

64624105 is a wasteful number, since it uses less digits than its factorization.

64624105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142056.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 64624105 is about 8038.9119288620. The cubic root of 64624105 is about 401.2960150772.

The spelling of 64624105 in words is "sixty-four million, six hundred twenty-four thousand, one hundred five".