64413434 has 16 divisors (see below), whose sum is σ = 97796160. Its totient is φ = 31817280.

The previous prime is 64413431. The next prime is 64413451. The reversal of 64413434 is 43431446.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64413397 and 64413406.

It is not an unprimeable number, because it can be changed into a prime (64413431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72674 + ... + 73554.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^64413434 is an apocalyptic number.

64413434 is a deficient number, since it is larger than the sum of its proper divisors (33382726).

64413434 is a wasteful number, since it uses less digits than its factorization.

64413434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its digits is 13824, while the sum is 29.

The square root of 64413434 is about 8025.7980288567. The cubic root of 64413434 is about 400.8594727770.

The spelling of 64413434 in words is "sixty-four million, four hundred thirteen thousand, four hundred thirty-four".