68957536 has 24 divisors (see below), whose sum is σ = 142906680. Its totient is φ = 32663808.

The previous prime is 68957533. The next prime is 68957557. The reversal of 68957536 is 63575986.

It is a self number, because there is not a number n which added to its sum of digits gives 68957536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68957533) 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, 56101 + ... + 57316.

It is an arithmetic number, because the mean of its divisors is an integer number (5954445).

Almost surely, 2^68957536 is an apocalyptic number.

It is an amenable number.

68957536 is an abundant number, since it is smaller than the sum of its proper divisors (73949144).

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

68957536 is a wasteful number, since it uses less digits than its factorization.

68957536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113446 (or 113438 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 68957536 is about 8304.0674371057. The cubic root of 68957536 is about 410.0724361408.

The spelling of 68957536 in words is "sixty-eight million, nine hundred fifty-seven thousand, five hundred thirty-six".