68574278 has 8 divisors (see below), whose sum is σ = 102954240. Its totient is φ = 34256200.

The previous prime is 68574271. The next prime is 68574281. The reversal of 68574278 is 87247586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12593 + ... + 17196.

It is an arithmetic number, because the mean of its divisors is an integer number (12869280).

Almost surely, 2^68574278 is an apocalyptic number.

68574278 is a deficient number, since it is larger than the sum of its proper divisors (34379962).

68574278 is a wasteful number, since it uses less digits than its factorization.

68574278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30942.

The product of its digits is 752640, while the sum is 47.

The square root of 68574278 is about 8280.9587609165. The cubic root of 68574278 is about 409.3113126106.

The spelling of 68574278 in words is "sixty-eight million, five hundred seventy-four thousand, two hundred seventy-eight".