68272418 has 8 divisors (see below), whose sum is σ = 106861248. Its totient is φ = 32652004.

The previous prime is 68272411. The next prime is 68272423. The reversal of 68272418 is 81427286.

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

It is a super-2 number, since 2×68272418² = 9322246119133448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68272411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742046 + ... + 742137.

It is an arithmetic number, because the mean of its divisors is an integer number (13357656).

Almost surely, 2^68272418 is an apocalyptic number.

68272418 is a deficient number, since it is larger than the sum of its proper divisors (38588830).

68272418 is a wasteful number, since it uses less digits than its factorization.

68272418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484208.

The product of its digits is 43008, while the sum is 38.

The square root of 68272418 is about 8262.7125086136. The cubic root of 68272418 is about 408.7098409672.

The spelling of 68272418 in words is "sixty-eight million, two hundred seventy-two thousand, four hundred eighteen".