68501758 has 16 divisors (see below), whose sum is σ = 112746816. Its totient is φ = 31019040.

The previous prime is 68501731. The next prime is 68501759. The reversal of 68501758 is 85710586.

It is a self number, because there is not a number n which added to its sum of digits gives 68501758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68501759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23478 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (7046676).

Almost surely, 2^68501758 is an apocalyptic number.

68501758 is a deficient number, since it is larger than the sum of its proper divisors (44245058).

68501758 is a wasteful number, since it uses less digits than its factorization.

68501758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49779.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 68501758 is about 8276.5788826060. The cubic root of 68501758 is about 409.1669741058.

The spelling of 68501758 in words is "sixty-eight million, five hundred one thousand, seven hundred fifty-eight".