68974938 has 48 divisors (see below), whose sum is σ = 156529152. Its totient is φ = 21924000.

The previous prime is 68974901. The next prime is 68974943. The reversal of 68974938 is 83947986.

68974938 is a `hidden beast` number, since 68 + 97 + 493 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38748 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (3261024).

Almost surely, 2^68974938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68974938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78264576).

68974938 is an abundant number, since it is smaller than the sum of its proper divisors (87554214).

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

68974938 is a wasteful number, since it uses less digits than its factorization.

68974938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1848 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 68974938 is about 8305.1151707848. The cubic root of 68974938 is about 410.1069282875.

The spelling of 68974938 in words is "sixty-eight million, nine hundred seventy-four thousand, nine hundred thirty-eight".