64750782 has 16 divisors (see below), whose sum is σ = 129603600. Its totient is φ = 21566592.

The previous prime is 64750771. The next prime is 64750783. The reversal of 64750782 is 28705746.

It is a super-2 number, since 2×64750782² = 8385327539223048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64750782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64750783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 12792.

It is an arithmetic number, because the mean of its divisors is an integer number (8100225).

Almost surely, 2^64750782 is an apocalyptic number.

64750782 is an abundant number, since it is smaller than the sum of its proper divisors (64852818).

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

64750782 is a wasteful number, since it uses less digits than its factorization.

64750782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 64750782 is about 8046.7870606845. The cubic root of 64750782 is about 401.5580524683.

The spelling of 64750782 in words is "sixty-four million, seven hundred fifty thousand, seven hundred eighty-two".