65976732 has 72 divisors (see below), whose sum is σ = 171793440. Its totient is φ = 21340800.

The previous prime is 65976727. The next prime is 65976733. The reversal of 65976732 is 23767956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65976733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287994 + ... + 288222.

It is an arithmetic number, because the mean of its divisors is an integer number (2386020).

Almost surely, 2^65976732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65976732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85896720).

65976732 is an abundant number, since it is smaller than the sum of its proper divisors (105816708).

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

65976732 is a wasteful number, since it uses less digits than its factorization.

65976732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 438 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 65976732 is about 8122.6062319923. The cubic root of 65976732 is about 404.0765057869.

The spelling of 65976732 in words is "sixty-five million, nine hundred seventy-six thousand, seven hundred thirty-two".