726026490 has 80 divisors (see below), whose sum is σ = 2231108352. Its totient is φ = 165947616.

The previous prime is 726026467. The next prime is 726026507. The reversal of 726026490 is 94620627.

It is a happy number.

726026490 is a `hidden beast` number, since 7 + 2 + 6 + 0 + 2 + 649 + 0 = 666.

726026490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×726026490² = 1054228928363440200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58354 + ... + 69693.

Almost surely, 2^726026490 is an apocalyptic number.

726026490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

726026490 is an abundant number, since it is smaller than the sum of its proper divisors (1505081862).

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

726026490 is a wasteful number, since it uses less digits than its factorization.

726026490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128073 (or 128064 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 726026490 is about 26944.8787341862. The cubic root of 726026490 is about 898.7746658195.

The spelling of 726026490 in words is "seven hundred twenty-six million, twenty-six thousand, four hundred ninety".