68657052 has 48 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 22139712.

The previous prime is 68657041. The next prime is 68657059. The reversal of 68657052 is 25075686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68657052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68657059) 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, 105793 + ... + 106439.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^68657052 is an apocalyptic number.

It is an amenable number.

68657052 is an abundant number, since it is smaller than the sum of its proper divisors (96816228).

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

68657052 is a wasteful number, since it uses less digits than its factorization.

68657052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68657052 is about 8285.9551048748. The cubic root of 68657052 is about 409.4759356186.

The spelling of 68657052 in words is "sixty-eight million, six hundred fifty-seven thousand, fifty-two".