731047226 has 64 divisors (see below), whose sum is σ = 1491291648. Its totient is φ = 260333568.

The previous prime is 731047181. The next prime is 731047237. The reversal of 731047226 is 622740137.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 731047192 and 731047201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66026 + ... + 76298.

It is an arithmetic number, because the mean of its divisors is an integer number (23301432).

Almost surely, 2^731047226 is an apocalyptic number.

731047226 is an abundant number, since it is smaller than the sum of its proper divisors (760244422).

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

731047226 is a wasteful number, since it uses less digits than its factorization.

731047226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 731047226 is about 27037.8850134399. The cubic root of 731047226 is about 900.8416924276.

The spelling of 731047226 in words is "seven hundred thirty-one million, forty-seven thousand, two hundred twenty-six".