731140260 has 96 divisors (see below), whose sum is σ = 2102499840. Its totient is φ = 189775872.

The previous prime is 731140259. The next prime is 731140279. The reversal of 731140260 is 62041137.

It is a self number, because there is not a number n which added to its sum of digits gives 731140260.

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, 344964 + ... + 347076.

It is an arithmetic number, because the mean of its divisors is an integer number (21901040).

Almost surely, 2^731140260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731140260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051249920).

731140260 is an abundant number, since it is smaller than the sum of its proper divisors (1371359580).

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

731140260 is a wasteful number, since it uses less digits than its factorization.

731140260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 731140260 is about 27039.6053965290. The cubic root of 731140260 is about 900.8799048933.

Adding to 731140260 its reverse (62041137), we get a palindrome (793181397).

The spelling of 731140260 in words is "seven hundred thirty-one million, one hundred forty thousand, two hundred sixty".