64424835 has 16 divisors (see below), whose sum is σ = 114533280. Its totient is φ = 34359840.

The previous prime is 64424821. The next prime is 64424869. The reversal of 64424835 is 53842446.

64424835 is a `hidden beast` number, since 644 + 2 + 4 + 8 + 3 + 5 = 666.

It is not a de Polignac number, because 64424835 - 2⁴ = 64424819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64424835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238476 + ... + 238745.

It is an arithmetic number, because the mean of its divisors is an integer number (7158330).

Almost surely, 2^64424835 is an apocalyptic number.

64424835 is a deficient number, since it is larger than the sum of its proper divisors (50108445).

64424835 is a wasteful number, since it uses less digits than its factorization.

64424835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477235 (or 477229 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 64424835 is about 8026.5082694781. The cubic root of 64424835 is about 400.8831217218.

The spelling of 64424835 in words is "sixty-four million, four hundred twenty-four thousand, eight hundred thirty-five".