65650672 has 20 divisors (see below), whose sum is σ = 128630160. Its totient is φ = 32455808.

The previous prime is 65650639. The next prime is 65650703. The reversal of 65650672 is 27605656.

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, 21628 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (6431508).

Almost surely, 2^65650672 is an apocalyptic number.

It is an amenable number.

65650672 is a deficient number, since it is larger than the sum of its proper divisors (62979488).

65650672 is a wasteful number, since it uses less digits than its factorization.

65650672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46200 (or 46194 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 65650672 is about 8102.5102283181. The cubic root of 65650672 is about 403.4097513986.

The spelling of 65650672 in words is "sixty-five million, six hundred fifty thousand, six hundred seventy-two".