726030531 has 12 divisors (see below), whose sum is σ = 1053293280. Its totient is φ = 481905360.

The previous prime is 726030523. The next prime is 726030551. The reversal of 726030531 is 135030627.

It is a happy number.

726030531 is a `hidden beast` number, since 7 + 2 + 603 + 0 + 53 + 1 = 666.

It is not a de Polignac number, because 726030531 - 2³ = 726030523 is a prime.

It is a super-2 number, since 2×726030531² = 1054240663888283922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726030495 and 726030504.

It is not an unprimeable number, because it can be changed into a prime (726030511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174075 + ... + 178196.

It is an arithmetic number, because the mean of its divisors is an integer number (87774440).

Almost surely, 2^726030531 is an apocalyptic number.

726030531 is a deficient number, since it is larger than the sum of its proper divisors (327262749).

726030531 is a wasteful number, since it uses less digits than its factorization.

726030531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352506 (or 352503 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 726030531 is about 26944.9537205021. The cubic root of 726030531 is about 898.7763333168.

The spelling of 726030531 in words is "seven hundred twenty-six million, thirty thousand, five hundred thirty-one".