64983790 has 8 divisors (see below), whose sum is σ = 116970840. Its totient is φ = 25993512.

The previous prime is 64983773. The next prime is 64983827. The reversal of 64983790 is 9738946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64983790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249180 + ... + 3249199.

It is an arithmetic number, because the mean of its divisors is an integer number (14621355).

Almost surely, 2^64983790 is an apocalyptic number.

64983790 is a deficient number, since it is larger than the sum of its proper divisors (51987050).

64983790 is a wasteful number, since it uses less digits than its factorization.

64983790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498386.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 64983790 is about 8061.2523840902. The cubic root of 64983790 is about 402.0391495085.

The spelling of 64983790 in words is "sixty-four million, nine hundred eighty-three thousand, seven hundred ninety".