726535492 has 12 divisors (see below), whose sum is σ = 1315279980. Its totient is φ = 350741216.

The previous prime is 726535487. The next prime is 726535507. The reversal of 726535492 is 294535627.

It can be written as a sum of positive squares in 2 ways, for example, as 448846596 + 277688896 = 21186^2 + 16664^2 .

It is a super-2 number, since 2×726535492² = 1055707642271364128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131503 + ... + 3131734.

It is an arithmetic number, because the mean of its divisors is an integer number (109606665).

Almost surely, 2^726535492 is an apocalyptic number.

It is an amenable number.

726535492 is a deficient number, since it is larger than the sum of its proper divisors (588744488).

726535492 is a wasteful number, since it uses less digits than its factorization.

726535492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263270 (or 6263268 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 726535492 is about 26954.3223250001. The cubic root of 726535492 is about 898.9846541330.

The spelling of 726535492 in words is "seven hundred twenty-six million, five hundred thirty-five thousand, four hundred ninety-two".