68556474 has 24 divisors (see below), whose sum is σ = 169759200. Its totient is φ = 19587528.

The previous prime is 68556431. The next prime is 68556479. The reversal of 68556474 is 47465586.

68556474 is a `hidden beast` number, since 6 + 85 + 564 + 7 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (68556479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271924 + ... + 272175.

It is an arithmetic number, because the mean of its divisors is an integer number (7073300).

Almost surely, 2^68556474 is an apocalyptic number.

68556474 is an abundant number, since it is smaller than the sum of its proper divisors (101202726).

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

68556474 is a wasteful number, since it uses less digits than its factorization.

68556474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544114 (or 544111 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 68556474 is about 8279.8836948353. The cubic root of 68556474 is about 409.2758862594.

The spelling of 68556474 in words is "sixty-eight million, five hundred fifty-six thousand, four hundred seventy-four".