65193972 has 24 divisors (see below), whose sum is σ = 157365600. Its totient is φ = 20981856.

The previous prime is 65193941. The next prime is 65194007. The reversal of 65193972 is 27939156.

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, 93322 + ... + 94017.

It is an arithmetic number, because the mean of its divisors is an integer number (6556900).

Almost surely, 2^65193972 is an apocalyptic number.

It is an amenable number.

65193972 is an abundant number, since it is smaller than the sum of its proper divisors (92171628).

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

65193972 is a wasteful number, since it uses less digits than its factorization.

65193972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187375 (or 187373 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 65193972 is about 8074.2784197723. The cubic root of 65193972 is about 402.4721316044.

The spelling of 65193972 in words is "sixty-five million, one hundred ninety-three thousand, nine hundred seventy-two".