65506072 has 32 divisors (see below), whose sum is σ = 130057200. Its totient is φ = 30844800.

The previous prime is 65506061. The next prime is 65506081. The reversal of 65506072 is 27060556.

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, 26322 + ... + 28702.

Almost surely, 2^65506072 is an apocalyptic number.

It is an amenable number.

65506072 is a deficient number, since it is larger than the sum of its proper divisors (64551128).

65506072 is a wasteful number, since it uses less digits than its factorization.

65506072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 65506072 is about 8093.5821488387. The cubic root of 65506072 is about 403.1133546863.

The spelling of 65506072 in words is "sixty-five million, five hundred six thousand, seventy-two".