68561274 has 16 divisors (see below), whose sum is σ = 141546240. Its totient is φ = 22116480.

The previous prime is 68561263. The next prime is 68561279. The reversal of 68561274 is 47216586.

It is not an unprimeable number, because it can be changed into a prime (68561279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184119 + ... + 184490.

It is an arithmetic number, because the mean of its divisors is an integer number (8846640).

Almost surely, 2^68561274 is an apocalyptic number.

68561274 is an abundant number, since it is smaller than the sum of its proper divisors (72984966).

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

68561274 is a wasteful number, since it uses less digits than its factorization.

68561274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368645.

The product of its digits is 80640, while the sum is 39.

The square root of 68561274 is about 8280.1735489058. The cubic root of 68561274 is about 409.2854378903.

The spelling of 68561274 in words is "sixty-eight million, five hundred sixty-one thousand, two hundred seventy-four".