65380628 has 24 divisors (see below), whose sum is σ = 122623872. Its totient is φ = 30422304.

The previous prime is 65380603. The next prime is 65380661. The reversal of 65380628 is 82608356.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65380591 and 65380600.

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, 6200 + ... + 13007.

It is an arithmetic number, because the mean of its divisors is an integer number (5109328).

Almost surely, 2^65380628 is an apocalyptic number.

It is an amenable number.

65380628 is a deficient number, since it is larger than the sum of its proper divisors (57243244).

65380628 is a wasteful number, since it uses less digits than its factorization.

65380628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271 (or 19269 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 65380628 is about 8085.8288381588. The cubic root of 65380628 is about 402.8558698262.

The spelling of 65380628 in words is "sixty-five million, three hundred eighty thousand, six hundred twenty-eight".