726270566 has 16 divisors (see below), whose sum is σ = 1318273056. Its totient is φ = 292949376.

The previous prime is 726270533. The next prime is 726270569. The reversal of 726270566 is 665072627.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726270569) 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, 1525541 + ... + 1526016.

It is an arithmetic number, because the mean of its divisors is an integer number (82392066).

Almost surely, 2^726270566 is an apocalyptic number.

726270566 is a deficient number, since it is larger than the sum of its proper divisors (592002490).

726270566 is a wasteful number, since it uses less digits than its factorization.

726270566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051583.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 726270566 is about 26949.4075259550. The cubic root of 726270566 is about 898.8753713954.

The spelling of 726270566 in words is "seven hundred twenty-six million, two hundred seventy thousand, five hundred sixty-six".