68920674 has 8 divisors (see below), whose sum is σ = 137841360. Its totient is φ = 22973556.

The previous prime is 68920651. The next prime is 68920679. The reversal of 68920674 is 47602986.

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

68920674 is an admirable number.

It is a super-2 number, since 2×68920674² = 9500118609228552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68920679) 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, 5743384 + ... + 5743395.

It is an arithmetic number, because the mean of its divisors is an integer number (17230170).

Almost surely, 2^68920674 is an apocalyptic number.

68920674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68920674 is a wasteful number, since it uses less digits than its factorization.

68920674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486784.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 68920674 is about 8301.8476256795. The cubic root of 68920674 is about 409.9993535584. Note that the first 3 decimals are identical.

The spelling of 68920674 in words is "sixty-eight million, nine hundred twenty thousand, six hundred seventy-four".