65718264 has 64 divisors (see below), whose sum is σ = 178560000. Its totient is φ = 20079360.

The previous prime is 65718259. The next prime is 65718269. The reversal of 65718264 is 46281756.

It is an interprime number because it is at equal distance from previous prime (65718259) and next prime (65718269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65718269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11812 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (2790000).

Almost surely, 2^65718264 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 65718264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280000).

65718264 is an abundant number, since it is smaller than the sum of its proper divisors (112841736).

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

65718264 is a wasteful number, since it uses less digits than its factorization.

65718264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4704 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 65718264 is about 8106.6802083220. The cubic root of 65718264 is about 403.5481501820.

The spelling of 65718264 in words is "sixty-five million, seven hundred eighteen thousand, two hundred sixty-four".