68931753 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 35804160.

The previous prime is 68931739. The next prime is 68931757. The reversal of 68931753 is 35713986.

It is not a de Polignac number, because 68931753 - 2⁶ = 68931689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68931757) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309000 + ... + 309222.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^68931753 is an apocalyptic number.

It is an amenable number.

68931753 is a deficient number, since it is larger than the sum of its proper divisors (47189847).

68931753 is a wasteful number, since it uses less digits than its factorization.

68931753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its digits is 136080, while the sum is 42.

The square root of 68931753 is about 8302.5148599686. The cubic root of 68931753 is about 410.0213215166.

It can be divided in two parts, 6893 and 1753, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 68931753 in words is "sixty-eight million, nine hundred thirty-one thousand, seven hundred fifty-three".