68855292 has 96 divisors (see below), whose sum is σ = 196761600. Its totient is φ = 20821680.

The previous prime is 68855291. The next prime is 68855299. The reversal of 68855292 is 29255886.

68855292 is a `hidden beast` number, since 6 + 8 + 8 + 552 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68855291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143509 + ... + 143987.

It is an arithmetic number, because the mean of its divisors is an integer number (2049600).

Almost surely, 2^68855292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68855292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98380800).

68855292 is an abundant number, since it is smaller than the sum of its proper divisors (127906308).

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

68855292 is a wasteful number, since it uses less digits than its factorization.

68855292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 495 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 68855292 is about 8297.9088932092. The cubic root of 68855292 is about 409.8696631119.

The spelling of 68855292 in words is "sixty-eight million, eight hundred fifty-five thousand, two hundred ninety-two".