65368872 has 48 divisors (see below), whose sum is σ = 179480340. Its totient is φ = 21489408.

The previous prime is 65368867. The next prime is 65368879. The reversal of 65368872 is 27886356.

It can be written as a sum of positive squares in 2 ways, for example, as 60933636 + 4435236 = 7806^2 + 2106^2 .

It is not an unprimeable number, because it can be changed into a prime (65368879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963 + ... + 11474.

Almost surely, 2^65368872 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 65368872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89740170).

65368872 is an abundant number, since it is smaller than the sum of its proper divisors (114111468).

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

65368872 is a wasteful number, since it uses less digits than its factorization.

65368872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522 (or 12515 counting only the distinct ones).

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

The square root of 65368872 is about 8085.1018546460. The cubic root of 65368872 is about 402.8317227272.

The spelling of 65368872 in words is "sixty-five million, three hundred sixty-eight thousand, eight hundred seventy-two".