64413305 has 16 divisors (see below), whose sum is σ = 85276800. Its totient is φ = 46316160.

The previous prime is 64413301. The next prime is 64413311. The reversal of 64413305 is 50331446.

It is not a de Polignac number, because 64413305 - 2² = 64413301 is a prime.

It is a super-2 number, since 2×64413305² = 8298147722046050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64413301) 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, 1685 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2^64413305 is an apocalyptic number.

It is an amenable number.

64413305 is a deficient number, since it is larger than the sum of its proper divisors (20863495).

64413305 is a wasteful number, since it uses less digits than its factorization.

64413305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64413305 is about 8025.7899922687. The cubic root of 64413305 is about 400.8592051780.

The spelling of 64413305 in words is "sixty-four million, four hundred thirteen thousand, three hundred five".