65974752 has 72 divisors (see below), whose sum is σ = 188520696. Its totient is φ = 21885696.

The previous prime is 65974747. The next prime is 65974801. The reversal of 65974752 is 25747956.

65974752 is a `hidden beast` number, since 6 + 597 + 4 + 7 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 65974698 and 65974707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79363 + ... + 80189.

It is an arithmetic number, because the mean of its divisors is an integer number (2618343).

Almost surely, 2^65974752 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 65974752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94260348).

65974752 is an abundant number, since it is smaller than the sum of its proper divisors (122545944).

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

65974752 is a wasteful number, since it uses less digits than its factorization.

65974752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1109 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 65974752 is about 8122.4843490154. The cubic root of 65974752 is about 404.0724635564.

The spelling of 65974752 in words is "sixty-five million, nine hundred seventy-four thousand, seven hundred fifty-two".