68531726 has 24 divisors (see below), whose sum is σ = 110114760. Its totient is φ = 31980672.

The previous prime is 68531713. The next prime is 68531737. The reversal of 68531726 is 62713586.

It is a self number, because there is not a number n which added to its sum of digits gives 68531726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79916 + ... + 80768.

It is an arithmetic number, because the mean of its divisors is an integer number (4588115).

Almost surely, 2^68531726 is an apocalyptic number.

68531726 is a deficient number, since it is larger than the sum of its proper divisors (41583034).

68531726 is a wasteful number, since it uses less digits than its factorization.

68531726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1011 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 68531726 is about 8278.3890945038. The cubic root of 68531726 is about 409.2266325659.

The spelling of 68531726 in words is "sixty-eight million, five hundred thirty-one thousand, seven hundred twenty-six".