68704074 has 24 divisors (see below), whose sum is σ = 153993060. Its totient is φ = 22111488.

The previous prime is 68704063. The next prime is 68704081. The reversal of 68704074 is 47040786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62489025 + 6215049 = 7905^2 + 2493^2 .

It is a Curzon number.

It is an unprimeable number.

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, 65287 + ... + 66330.

Almost surely, 2^68704074 is an apocalyptic number.

68704074 is an abundant number, since it is smaller than the sum of its proper divisors (85288986).

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

68704074 is a wasteful number, since it uses less digits than its factorization.

68704074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131654 (or 131651 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 68704074 is about 8288.7920712249. The cubic root of 68704074 is about 409.5693952264.

The spelling of 68704074 in words is "sixty-eight million, seven hundred four thousand, seventy-four".