65368728 has 96 divisors (see below), whose sum is σ = 186879600. Its totient is φ = 21170304.

The previous prime is 65368703. The next prime is 65368753. The reversal of 65368728 is 82786356.

It is an interprime number because it is at equal distance from previous prime (65368703) and next prime (65368753).

Its product of digits (483840) is a multiple of the sum of its prime divisors (189).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477076 + ... + 477212.

Almost surely, 2^65368728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65368728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93439800).

65368728 is an abundant number, since it is smaller than the sum of its proper divisors (121510872).

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

65368728 is a wasteful number, since it uses less digits than its factorization.

65368728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 189 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 65368728 is about 8085.0929493729. The cubic root of 65368728 is about 402.8314269299.

The spelling of 65368728 in words is "sixty-five million, three hundred sixty-eight thousand, seven hundred twenty-eight".