168704374 has 4 divisors (see below), whose sum is σ = 253056564. Its totient is φ = 84352186.

The previous prime is 168704359. The next prime is 168704399. The reversal of 168704374 is 473407861.

168704374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×168704374² = 56922331613463752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42176092 + ... + 42176095.

It is an arithmetic number, because the mean of its divisors is an integer number (63264141).

Almost surely, 2^168704374 is an apocalyptic number.

168704374 is a deficient number, since it is larger than the sum of its proper divisors (84352190).

168704374 is an equidigital number, since it uses as much as digits as its factorization.

168704374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84352189.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 168704374 is about 12988.6247924867. The cubic root of 168704374 is about 552.5549165672.

The spelling of 168704374 in words is "one hundred sixty-eight million, seven hundred four thousand, three hundred seventy-four".