64682090 has 16 divisors (see below), whose sum is σ = 127012320. Its totient is φ = 23520720.

The previous prime is 64682087. The next prime is 64682153. The reversal of 64682090 is 9028646.

It is a self number, because there is not a number n which added to its sum of digits gives 64682090.

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, 293900 + ... + 294119.

It is an arithmetic number, because the mean of its divisors is an integer number (7938270).

Almost surely, 2^64682090 is an apocalyptic number.

64682090 is a deficient number, since it is larger than the sum of its proper divisors (62330230).

64682090 is a wasteful number, since it uses less digits than its factorization.

64682090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588037.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 64682090 is about 8042.5176406397. The cubic root of 64682090 is about 401.4160022624.

It can be divided in two parts, 6468 and 2090, that added together give a palindrome (8558).

The spelling of 64682090 in words is "sixty-four million, six hundred eighty-two thousand, ninety".