273920172 has 12 divisors (see below), whose sum is σ = 639147096. Its totient is φ = 91306720.

The previous prime is 273920149. The next prime is 273920173. The reversal of 273920172 is 271029372.

273920172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (273920173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11413329 + ... + 11413352.

It is an arithmetic number, because the mean of its divisors is an integer number (53262258).

Almost surely, 2^273920172 is an apocalyptic number.

It is an amenable number.

273920172 is an abundant number, since it is smaller than the sum of its proper divisors (365226924).

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

273920172 is a wasteful number, since it uses less digits than its factorization.

273920172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22826688 (or 22826686 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 273920172 is about 16550.5338886696. The cubic root of 273920172 is about 649.4434462768.

The spelling of 273920172 in words is "two hundred seventy-three million, nine hundred twenty thousand, one hundred seventy-two".