65091732 has 24 divisors (see below), whose sum is σ = 155986656. Its totient is φ = 21110688.

The previous prime is 65091731. The next prime is 65091749. The reversal of 65091732 is 23719056.

It is a junction number, because it is equal to n+sod(n) for n = 65091693 and 65091702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65091731) 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, 72858 + ... + 73745.

It is an arithmetic number, because the mean of its divisors is an integer number (6499444).

Almost surely, 2^65091732 is an apocalyptic number.

It is an amenable number.

65091732 is an abundant number, since it is smaller than the sum of its proper divisors (90894924).

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

65091732 is a wasteful number, since it uses less digits than its factorization.

65091732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146647 (or 146645 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 65091732 is about 8067.9447196916. The cubic root of 65091732 is about 402.2616301391.

The spelling of 65091732 in words is "sixty-five million, ninety-one thousand, seven hundred thirty-two".