65657682 has 32 divisors (see below), whose sum is σ = 150940800. Its totient is φ = 21130704.

The previous prime is 65657681. The next prime is 65657693. The reversal of 65657682 is 28675656.

65657682 is a `hidden beast` number, since 6 + 565 + 7 + 6 + 82 = 666.

It is a super-2 number, since 2×65657682² = 8621862411226248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65657681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19398 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (4716900).

Almost surely, 2^65657682 is an apocalyptic number.

65657682 is an abundant number, since it is smaller than the sum of its proper divisors (85283118).

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

65657682 is a wasteful number, since it uses less digits than its factorization.

65657682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41967 (or 41961 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 65657682 is about 8102.9427987614. The cubic root of 65657682 is about 403.4241092192.

The spelling of 65657682 in words is "sixty-five million, six hundred fifty-seven thousand, six hundred eighty-two".