68574980 has 24 divisors (see below), whose sum is σ = 146370840. Its totient is φ = 26979840.

The previous prime is 68574977. The next prime is 68574997. The reversal of 68574980 is 8947586.

It can be written as a sum of positive squares in 4 ways, for example, as 1236544 + 67338436 = 1112^2 + 8206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26885 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (6098785).

Almost surely, 2^68574980 is an apocalyptic number.

It is an amenable number.

68574980 is an abundant number, since it is smaller than the sum of its proper divisors (77795860).

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

68574980 is a wasteful number, since it uses less digits than its factorization.

68574980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56279 (or 56277 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 68574980 is about 8281.0011472044. The cubic root of 68574980 is about 409.3127093227.

The spelling of 68574980 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred eighty".