64490582 has 16 divisors (see below), whose sum is σ = 105734832. Its totient is φ = 29319840.

The previous prime is 64490563. The next prime is 64490641. The reversal of 64490582 is 28509446.

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, 16769 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (6608427).

Almost surely, 2^64490582 is an apocalyptic number.

64490582 is a deficient number, since it is larger than the sum of its proper divisors (41244250).

64490582 is a wasteful number, since it uses less digits than its factorization.

64490582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37103.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 64490582 is about 8030.6028416303. The cubic root of 64490582 is about 401.0194454535.

The spelling of 64490582 in words is "sixty-four million, four hundred ninety thousand, five hundred eighty-two".