173073743 has 4 divisors (see below), whose sum is σ = 173414280. Its totient is φ = 172733208.

The previous prime is 173073739. The next prime is 173073757. The reversal of 173073743 is 347370371.

173073743 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, and also an emirpimes, since its reverse is a distinct semiprime: 347370371 = 881 ⋅394291.

It is a cyclic number.

It is not a de Polignac number, because 173073743 - 2² = 173073739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173073763) 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, 169505 + ... + 170522.

It is an arithmetic number, because the mean of its divisors is an integer number (43353570).

Almost surely, 2^173073743 is an apocalyptic number.

173073743 is a deficient number, since it is larger than the sum of its proper divisors (340537).

173073743 is an equidigital number, since it uses as much as digits as its factorization.

173073743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340536.

The product of its (nonzero) digits is 37044, while the sum is 35.

The square root of 173073743 is about 13155.7494275317. The cubic root of 173073743 is about 557.2846257964.

The spelling of 173073743 in words is "one hundred seventy-three million, seventy-three thousand, seven hundred forty-three".