68739374 has 24 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 31127360.

The previous prime is 68739343. The next prime is 68739379. The reversal of 68739374 is 47393786.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68739379) 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 11 ways as a sum of consecutive naturals, for example, 115622 + ... + 116214.

It is an arithmetic number, because the mean of its divisors is an integer number (4740120).

Almost surely, 2^68739374 is an apocalyptic number.

68739374 is a deficient number, since it is larger than the sum of its proper divisors (45023506).

68739374 is a wasteful number, since it uses less digits than its factorization.

68739374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1085 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 68739374 is about 8290.9211792177. The cubic root of 68739374 is about 409.6395284969.

The spelling of 68739374 in words is "sixty-eight million, seven hundred thirty-nine thousand, three hundred seventy-four".