173374013 has 4 divisors (see below), whose sum is σ = 173425248. Its totient is φ = 173322780.

The previous prime is 173374009. The next prime is 173374021. The reversal of 173374013 is 310473371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 173374013 - 2² = 173374009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173374063) 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, 20153 + ... + 27438.

It is an arithmetic number, because the mean of its divisors is an integer number (43356312).

Almost surely, 2^173374013 is an apocalyptic number.

It is an amenable number.

173374013 is a deficient number, since it is larger than the sum of its proper divisors (51235).

173374013 is an equidigital number, since it uses as much as digits as its factorization.

173374013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51234.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 173374013 is about 13167.1566026990. The cubic root of 173374013 is about 557.6067219795.

The spelling of 173374013 in words is "one hundred seventy-three million, three hundred seventy-four thousand, thirteen".