65881932 has 12 divisors (see below), whose sum is σ = 153724536. Its totient is φ = 21960640.

The previous prime is 65881897. The next prime is 65881943. The reversal of 65881932 is 23918856.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745069 + ... + 2745092.

It is an arithmetic number, because the mean of its divisors is an integer number (12810378).

Almost surely, 2^65881932 is an apocalyptic number.

It is an amenable number.

65881932 is an abundant number, since it is smaller than the sum of its proper divisors (87842604).

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

65881932 is a wasteful number, since it uses less digits than its factorization.

65881932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490168 (or 5490166 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 65881932 is about 8116.7685688333. The cubic root of 65881932 is about 403.8828778549.

The spelling of 65881932 in words is "sixty-five million, eight hundred eighty-one thousand, nine hundred thirty-two".