65330772 has 24 divisors (see below), whose sum is σ = 164164896. Its totient is φ = 20101728.

The previous prime is 65330767. The next prime is 65330801. The reversal of 65330772 is 27703356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209238 + ... + 209549.

It is an arithmetic number, because the mean of its divisors is an integer number (6840204).

Almost surely, 2^65330772 is an apocalyptic number.

It is an amenable number.

65330772 is an abundant number, since it is smaller than the sum of its proper divisors (98834124).

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

65330772 is a wasteful number, since it uses less digits than its factorization.

65330772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418807 (or 418805 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 65330772 is about 8082.7453256923. The cubic root of 65330772 is about 402.7534445348.

The spelling of 65330772 in words is "sixty-five million, three hundred thirty thousand, seven hundred seventy-two".