726046531 has 4 divisors (see below), whose sum is σ = 829767472. Its totient is φ = 622325592.

The previous prime is 726046513. The next prime is 726046537. The reversal of 726046531 is 135640627.

It is a happy number.

726046531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135640627 = 29 ⋅4677263.

It is not a de Polignac number, because 726046531 - 2⁷ = 726046403 is a prime.

It is a super-2 number, since 2×726046531² = 1054287130354267922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726046537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51860460 + ... + 51860473.

It is an arithmetic number, because the mean of its divisors is an integer number (207441868).

Almost surely, 2^726046531 is an apocalyptic number.

726046531 is a deficient number, since it is larger than the sum of its proper divisors (103720941).

726046531 is a wasteful number, since it uses less digits than its factorization.

726046531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103720940.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 726046531 is about 26945.2506204711. The cubic root of 726046531 is about 898.7829355716.

The spelling of 726046531 in words is "seven hundred twenty-six million, forty-six thousand, five hundred thirty-one".