65293960 has 32 divisors (see below), whose sum is σ = 148570200. Its totient is φ = 25822720.

The previous prime is 65293939. The next prime is 65293961. The reversal of 65293960 is 6939256.

It can be written as a sum of positive squares in 4 ways, for example, as 27815076 + 37478884 = 5274^2 + 6122^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (65293961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5611 + ... + 12730.

Almost surely, 2^65293960 is an apocalyptic number.

It is an amenable number.

65293960 is an abundant number, since it is smaller than the sum of its proper divisors (83276240).

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

65293960 is a wasteful number, since it uses less digits than its factorization.

65293960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18441 (or 18437 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 65293960 is about 8080.4678082398. The cubic root of 65293960 is about 402.6777836840.

The spelling of 65293960 in words is "sixty-five million, two hundred ninety-three thousand, nine hundred sixty".