64891062 has 12 divisors (see below), whose sum is σ = 140597340. Its totient is φ = 21630348.

The previous prime is 64891033. The next prime is 64891093. The reversal of 64891062 is 26019846.

64891062 is a `hidden beast` number, since 648 + 9 + 1 + 0 + 6 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1802512 + ... + 1802547.

It is an arithmetic number, because the mean of its divisors is an integer number (11716445).

Almost surely, 2^64891062 is an apocalyptic number.

64891062 is an abundant number, since it is smaller than the sum of its proper divisors (75706278).

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

64891062 is a wasteful number, since it uses less digits than its factorization.

64891062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605067 (or 3605064 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 64891062 is about 8055.4988672335. The cubic root of 64891062 is about 401.8478298344.

The spelling of 64891062 in words is "sixty-four million, eight hundred ninety-one thousand, sixty-two".