64194684 has 24 divisors (see below), whose sum is σ = 153442128. Its totient is φ = 20876160.

The previous prime is 64194677. The next prime is 64194701. The reversal of 64194684 is 48649146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64747 + ... + 65730.

It is an arithmetic number, because the mean of its divisors is an integer number (6393422).

Almost surely, 2^64194684 is an apocalyptic number.

It is an amenable number.

64194684 is an abundant number, since it is smaller than the sum of its proper divisors (89247444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64194684 is a wasteful number, since it uses less digits than its factorization.

64194684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130525 (or 130523 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 64194684 is about 8012.1585106637. The cubic root of 64194684 is about 400.4051810988.

The spelling of 64194684 in words is "sixty-four million, one hundred ninety-four thousand, six hundred eighty-four".