731874289 has 8 divisors (see below), whose sum is σ = 735638400. Its totient is φ = 728120400.

The previous prime is 731874263. The next prime is 731874307. The reversal of 731874289 is 982478137.

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 731874289 - 2¹⁷ = 731743217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731874239) 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, 169224 + ... + 173494.

It is an arithmetic number, because the mean of its divisors is an integer number (91954800).

Almost surely, 2^731874289 is an apocalyptic number.

It is an amenable number.

731874289 is a deficient number, since it is larger than the sum of its proper divisors (3764111).

731874289 is a wasteful number, since it uses less digits than its factorization.

731874289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111.

The product of its digits is 677376, while the sum is 49.

The square root of 731874289 is about 27053.1752110542. The cubic root of 731874289 is about 901.1812838217.

The spelling of 731874289 in words is "seven hundred thirty-one million, eight hundred seventy-four thousand, two hundred eighty-nine".