68074280 has 16 divisors (see below), whose sum is σ = 153167220. Its totient is φ = 27229696.

The previous prime is 68074267. The next prime is 68074327. The reversal of 68074280 is 8247086.

It can be written as a sum of positive squares in 2 ways, for example, as 67535524 + 538756 = 8218^2 + 734^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68074280.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850889 + ... + 850968.

Almost surely, 2^68074280 is an apocalyptic number.

It is an amenable number.

68074280 is an abundant number, since it is smaller than the sum of its proper divisors (85092940).

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

68074280 is a wasteful number, since it uses less digits than its factorization.

68074280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701868 (or 1701864 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 68074280 is about 8250.7139085051. The cubic root of 68074280 is about 408.3140763745.

The spelling of 68074280 in words is "sixty-eight million, seventy-four thousand, two hundred eighty".