726394801 has 8 divisors (see below), whose sum is σ = 792625824. Its totient is φ = 660196320.

The previous prime is 726394793. The next prime is 726394807. The reversal of 726394801 is 108493627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726394801 - 2³ = 726394793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726394807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82525 + ... + 90901.

It is an arithmetic number, because the mean of its divisors is an integer number (99078228).

Almost surely, 2^726394801 is an apocalyptic number.

It is an amenable number.

726394801 is a deficient number, since it is larger than the sum of its proper divisors (66231023).

726394801 is a wasteful number, since it uses less digits than its factorization.

726394801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 726394801 is about 26951.7123945771. The cubic root of 726394801 is about 898.9266219991.

The spelling of 726394801 in words is "seven hundred twenty-six million, three hundred ninety-four thousand, eight hundred one".