173903974090 has 32 divisors (see below), whose sum is σ = 390267621504. Its totient is φ = 54203835840.

The previous prime is 173903974087. The next prime is 173903974091. The reversal of 173903974090 is 90479309371.

It is a happy number.

173903974090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×173903974090³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (173903974091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112923889 + ... + 112925428.

It is an arithmetic number, because the mean of its divisors is an integer number (12195863172).

Almost surely, 2^173903974090 is an apocalyptic number.

173903974090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173903974090 is an abundant number, since it is smaller than the sum of its proper divisors (216363647414).

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

173903974090 is a wasteful number, since it uses less digits than its factorization.

173903974090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225849342.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The spelling of 173903974090 in words is "one hundred seventy-three billion, nine hundred three million, nine hundred seventy-four thousand, ninety".