726006537 has 16 divisors (see below), whose sum is σ = 1076040000. Its totient is φ = 483790752.

The previous prime is 726006527. The next prime is 726006571. The reversal of 726006537 is 735600627.

It is a happy number.

It is not a de Polignac number, because 726006537 - 2¹⁶ = 725941001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726006527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77914 + ... + 86732.

It is an arithmetic number, because the mean of its divisors is an integer number (67252500).

Almost surely, 2^726006537 is an apocalyptic number.

It is an amenable number.

726006537 is a deficient number, since it is larger than the sum of its proper divisors (350033463).

726006537 is a wasteful number, since it uses less digits than its factorization.

726006537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11871 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 726006537 is about 26944.5084757544. The cubic root of 726006537 is about 898.7664322286.

The spelling of 726006537 in words is "seven hundred twenty-six million, six thousand, five hundred thirty-seven".