64884734 has 16 divisors (see below), whose sum is σ = 102612480. Its totient is φ = 30686040.

The previous prime is 64884731. The next prime is 64884737. The reversal of 64884734 is 43748846.

It is an interprime number because it is at equal distance from previous prime (64884731) and next prime (64884737).

It is a super-3 number, since 3×64884734³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64884731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36797 + ... + 38519.

It is an arithmetic number, because the mean of its divisors is an integer number (6413280).

Almost surely, 2^64884734 is an apocalyptic number.

64884734 is a deficient number, since it is larger than the sum of its proper divisors (37727746).

64884734 is a wasteful number, since it uses less digits than its factorization.

64884734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its digits is 516096, while the sum is 44.

The square root of 64884734 is about 8055.1060824796. The cubic root of 64884734 is about 401.8347670404.

The spelling of 64884734 in words is "sixty-four million, eight hundred eighty-four thousand, seven hundred thirty-four".