68388774 has 8 divisors (see below), whose sum is σ = 136777560. Its totient is φ = 22796256.

The previous prime is 68388767. The next prime is 68388781. The reversal of 68388774 is 47788386.

It is an interprime number because it is at equal distance from previous prime (68388767) and next prime (68388781).

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

68388774 is an admirable number.

It is a congruent number.

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, 5699059 + ... + 5699070.

It is an arithmetic number, because the mean of its divisors is an integer number (17097195).

Almost surely, 2^68388774 is an apocalyptic number.

68388774 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.

68388774 is a wasteful number, since it uses less digits than its factorization.

68388774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398134.

The product of its digits is 1806336, while the sum is 51.

The square root of 68388774 is about 8269.7505403730. The cubic root of 68388774 is about 408.9418958872.

The spelling of 68388774 in words is "sixty-eight million, three hundred eighty-eight thousand, seven hundred seventy-four".