673878243 has 8 divisors (see below), whose sum is σ = 899870400. Its totient is φ = 448569128.

The previous prime is 673878229. The next prime is 673878259. The reversal of 673878243 is 342878376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673878243 - 2⁵ = 673878211 is a prime.

It is a super-2 number, since 2×673878243² = 908223772777534098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673878192 and 673878201.

It is not an unprimeable number, because it can be changed into a prime (673878143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168453 + ... + 172406.

It is an arithmetic number, because the mean of its divisors is an integer number (112483800).

Almost surely, 2^673878243 is an apocalyptic number.

673878243 is a deficient number, since it is larger than the sum of its proper divisors (225992157).

673878243 is a wasteful number, since it uses less digits than its factorization.

673878243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341521.

The product of its digits is 1354752, while the sum is 48.

The square root of 673878243 is about 25959.1649133789. The cubic root of 673878243 is about 876.7191205697.

The spelling of 673878243 in words is "six hundred seventy-three million, eight hundred seventy-eight thousand, two hundred forty-three".