65493732 has 12 divisors (see below), whose sum is σ = 152818736. Its totient is φ = 21831240.

The previous prime is 65493713. The next prime is 65493739. The reversal of 65493732 is 23739456.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (65493739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728894 + ... + 2728917.

Almost surely, 2^65493732 is an apocalyptic number.

It is an amenable number.

65493732 is an abundant number, since it is smaller than the sum of its proper divisors (87325004).

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

65493732 is a wasteful number, since it uses less digits than its factorization.

65493732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457818 (or 5457816 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 65493732 is about 8092.8197805215. The cubic root of 65493732 is about 403.0880403349.

The spelling of 65493732 in words is "sixty-five million, four hundred ninety-three thousand, seven hundred thirty-two".