65894736 has 40 divisors (see below), whose sum is σ = 179189920. Its totient is φ = 20808576.

The previous prime is 65894729. The next prime is 65894761. The reversal of 65894736 is 63749856.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 35215 + ... + 37038.

It is an arithmetic number, because the mean of its divisors is an integer number (4479748).

Almost surely, 2^65894736 is an apocalyptic number.

It is an amenable number.

65894736 is an abundant number, since it is smaller than the sum of its proper divisors (113295184).

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

65894736 is a wasteful number, since it uses less digits than its factorization.

65894736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72283 (or 72277 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 65894736 is about 8117.5572680456. The cubic root of 65894736 is about 403.9090407255.

It can be divided in two parts, 6589 and 4736, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 65894736 in words is "sixty-five million, eight hundred ninety-four thousand, seven hundred thirty-six".