61826868 has 24 divisors (see below), whose sum is σ = 160292160. Its totient is φ = 20608920.

The previous prime is 61826857. The next prime is 61826873. The reversal of 61826868 is 86862816.

61826868 is a `hidden beast` number, since 618 + 26 + 8 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286128 + ... + 286343.

It is an arithmetic number, because the mean of its divisors is an integer number (6678840).

Almost surely, 2^61826868 is an apocalyptic number.

It is an amenable number.

61826868 is an abundant number, since it is smaller than the sum of its proper divisors (98465292).

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

61826868 is a wasteful number, since it uses less digits than its factorization.

61826868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572484 (or 572476 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 61826868 is about 7863.0062953046. The cubic root of 61826868 is about 395.4204101548.

The spelling of 61826868 in words is "sixty-one million, eight hundred twenty-six thousand, eight hundred sixty-eight".