64424305 has 16 divisors (see below), whose sum is σ = 89299584. Its totient is φ = 44097280.

The previous prime is 64424303. The next prime is 64424317. The reversal of 64424305 is 50342446.

It is not a de Polignac number, because 64424305 - 2¹ = 64424303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64424303) 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, 33517 + ... + 35386.

It is an arithmetic number, because the mean of its divisors is an integer number (5581224).

Almost surely, 2^64424305 is an apocalyptic number.

It is an amenable number.

64424305 is a deficient number, since it is larger than the sum of its proper divisors (24875279).

64424305 is a wasteful number, since it uses less digits than its factorization.

64424305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68936.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 64424305 is about 8026.4752538085. The cubic root of 64424305 is about 400.8820224116.

The spelling of 64424305 in words is "sixty-four million, four hundred twenty-four thousand, three hundred five".