65749372 has 12 divisors (see below), whose sum is σ = 123912376. Its totient is φ = 30345840.

The previous prime is 65749303. The next prime is 65749391. The reversal of 65749372 is 27394756.

It is a congruent number.

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, 632154 + ... + 632257.

Almost surely, 2^65749372 is an apocalyptic number.

It is an amenable number.

65749372 is a deficient number, since it is larger than the sum of its proper divisors (58163004).

65749372 is a wasteful number, since it uses less digits than its factorization.

65749372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264428 (or 1264426 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 65749372 is about 8108.5986458820. The cubic root of 65749372 is about 403.6118138419.

The spelling of 65749372 in words is "sixty-five million, seven hundred forty-nine thousand, three hundred seventy-two".