726626001 has 16 divisors (see below), whose sum is σ = 1004932800. Its totient is φ = 466458048.

The previous prime is 726625973. The next prime is 726626003. The reversal of 726626001 is 100626627.

It is not a de Polignac number, because 726626001 - 2¹⁵ = 726593233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726626001.

It is not an unprimeable number, because it can be changed into a prime (726626003) 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, 21955 + ... + 43991.

It is an arithmetic number, because the mean of its divisors is an integer number (62808300).

Almost surely, 2^726626001 is an apocalyptic number.

It is an amenable number.

726626001 is a deficient number, since it is larger than the sum of its proper divisors (278306799).

726626001 is a wasteful number, since it uses less digits than its factorization.

726626001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22448.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 726626001 is about 26956.0012056685. The cubic root of 726626001 is about 899.0219832676.

The spelling of 726626001 in words is "seven hundred twenty-six million, six hundred twenty-six thousand, one".