64733896 has 16 divisors (see below), whose sum is σ = 121608540. Its totient is φ = 32304960.

The previous prime is 64733873. The next prime is 64733897. The reversal of 64733896 is 69833746.

It can be written as a sum of positive squares in 2 ways, for example, as 62631396 + 2102500 = 7914^2 + 1450^2 .

It is not an unprimeable number, because it can be changed into a prime (64733897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151 + ... + 11806.

Almost surely, 2^64733896 is an apocalyptic number.

It is an amenable number.

64733896 is a deficient number, since it is larger than the sum of its proper divisors (56874644).

64733896 is a wasteful number, since it uses less digits than its factorization.

64733896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504 (or 15500 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 64733896 is about 8045.7377536184. The cubic root of 64733896 is about 401.5231427288.

It can be divided in two parts, 647 and 33896, that added together give a palindrome (34543).

The spelling of 64733896 in words is "sixty-four million, seven hundred thirty-three thousand, eight hundred ninety-six".