8173701438 has 32 divisors (see below), whose sum is σ = 18892673280. Its totient is φ = 2309102400.

The previous prime is 8173701421. The next prime is 8173701469. The reversal of 8173701438 is 8341073718.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 8173701438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089588 + ... + 1097063.

It is an arithmetic number, because the mean of its divisors is an integer number (590396040).

Almost surely, 2^8173701438 is an apocalyptic number.

8173701438 is an abundant number, since it is smaller than the sum of its proper divisors (10718971842).

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

8173701438 is a wasteful number, since it uses less digits than its factorization.

8173701438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186752.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 8173701438 is about 90408.5252506643. The cubic root of 8173701438 is about 2014.3716010128.

The spelling of 8173701438 in words is "eight billion, one hundred seventy-three million, seven hundred one thousand, four hundred thirty-eight".