64387794 has 16 divisors (see below), whose sum is σ = 131916960. Its totient is φ = 20939040.

The previous prime is 64387783. The next prime is 64387811. The reversal of 64387794 is 49778346.

It is a happy number.

It is a Curzon 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, 130624 + ... + 131115.

It is an arithmetic number, because the mean of its divisors is an integer number (8244810).

Almost surely, 2^64387794 is an apocalyptic number.

64387794 is an abundant number, since it is smaller than the sum of its proper divisors (67529166).

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

64387794 is a wasteful number, since it uses less digits than its factorization.

64387794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261785.

The product of its digits is 1016064, while the sum is 48.

The square root of 64387794 is about 8024.2005209242. The cubic root of 64387794 is about 400.8062778647.

The spelling of 64387794 in words is "sixty-four million, three hundred eighty-seven thousand, seven hundred ninety-four".