726072227 has 4 divisors (see below), whose sum is σ = 768782376. Its totient is φ = 683362080.

The previous prime is 726072223. The next prime is 726072241. The reversal of 726072227 is 722270627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722270627 = 13 ⋅55559279.

It is a cyclic number.

It is not a de Polignac number, because 726072227 - 2² = 726072223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726072223) 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, 21355049 + ... + 21355082.

It is an arithmetic number, because the mean of its divisors is an integer number (192195594).

Almost surely, 2^726072227 is an apocalyptic number.

726072227 is a deficient number, since it is larger than the sum of its proper divisors (42710149).

726072227 is a wasteful number, since it uses less digits than its factorization.

726072227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42710148.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 726072227 is about 26945.7274349757. The cubic root of 726072227 is about 898.7935385899.

The spelling of 726072227 in words is "seven hundred twenty-six million, seventy-two thousand, two hundred twenty-seven".