65071272 has 32 divisors (see below), whose sum is σ = 185918400. Its totient is φ = 18591744.

The previous prime is 65071261. The next prime is 65071327. The reversal of 65071272 is 27217056.

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, 193497 + ... + 193832.

It is an arithmetic number, because the mean of its divisors is an integer number (5809950).

Almost surely, 2^65071272 is an apocalyptic number.

It is an amenable number.

65071272 is an abundant number, since it is smaller than the sum of its proper divisors (120847128).

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

65071272 is a wasteful number, since it uses less digits than its factorization.

65071272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387345 (or 387341 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 65071272 is about 8066.6766391123. The cubic root of 65071272 is about 402.2194786749.

The spelling of 65071272 in words is "sixty-five million, seventy-one thousand, two hundred seventy-two".