68690358 has 108 divisors (see below), whose sum is σ = 177059844. Its totient is φ = 19083600.

The previous prime is 68690333. The next prime is 68690371. The reversal of 68690358 is 85309686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2215803 + ... + 2215833.

It is an arithmetic number, because the mean of its divisors is an integer number (1639443).

Almost surely, 2^68690358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68690358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88529922).

68690358 is an abundant number, since it is smaller than the sum of its proper divisors (108369486).

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

68690358 is a wasteful number, since it uses less digits than its factorization.

68690358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 68690358 is about 8287.9646476080. The cubic root of 68690358 is about 409.5421380960.

The spelling of 68690358 in words is "sixty-eight million, six hundred ninety thousand, three hundred fifty-eight".