68576957 has 4 divisors (see below), whose sum is σ = 68771580. Its totient is φ = 68382336.

The previous prime is 68576951. The next prime is 68577001. The reversal of 68576957 is 75967586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17397241 + 51179716 = 4171^2 + 7154^2 .

It is a cyclic number.

It is not a de Polignac number, because 68576957 - 2⁴ = 68576941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68576899 and 68576908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68576951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96782 + ... + 97487.

It is an arithmetic number, because the mean of its divisors is an integer number (17192895).

Almost surely, 2^68576957 is an apocalyptic number.

It is an amenable number.

68576957 is a deficient number, since it is larger than the sum of its proper divisors (194623).

68576957 is a wasteful number, since it uses less digits than its factorization.

68576957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194622.

The product of its digits is 3175200, while the sum is 53.

The square root of 68576957 is about 8281.1205159688. The cubic root of 68576957 is about 409.3166427468.

The spelling of 68576957 in words is "sixty-eight million, five hundred seventy-six thousand, nine hundred fifty-seven".