65570650 has 24 divisors (see below), whose sum is σ = 122179680. Its totient is φ = 26181360.

The previous prime is 65570647. The next prime is 65570651. The reversal of 65570650 is 5607556.

It is not an unprimeable number, because it can be changed into a prime (65570651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45237 + ... + 46663.

It is an arithmetic number, because the mean of its divisors is an integer number (5090820).

Almost surely, 2^65570650 is an apocalyptic number.

65570650 is a deficient number, since it is larger than the sum of its proper divisors (56609030).

65570650 is a wasteful number, since it uses less digits than its factorization.

65570650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 65570650 is about 8097.5706233413. The cubic root of 65570650 is about 403.2457785652.

The spelling of 65570650 in words is "sixty-five million, five hundred seventy thousand, six hundred fifty".