726066001 has 4 divisors (see below), whose sum is σ = 757634112. Its totient is φ = 694497892.

The previous prime is 726065959. The next prime is 726066023. The reversal of 726066001 is 100660627.

726066001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 11001-st star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 726066001 - 2¹⁷ = 725934929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726066031) 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, 15784021 + ... + 15784066.

It is an arithmetic number, because the mean of its divisors is an integer number (189408528).

Almost surely, 2^726066001 is an apocalyptic number.

It is an amenable number.

726066001 is a deficient number, since it is larger than the sum of its proper divisors (31568111).

726066001 is a wasteful number, since it uses less digits than its factorization.

726066001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31568110.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 726066001 is about 26945.6119062084. The cubic root of 726066001 is about 898.7909695596.

The spelling of 726066001 in words is "seven hundred twenty-six million, sixty-six thousand, one".