726028071 has 4 divisors (see below), whose sum is σ = 968037432. Its totient is φ = 484018712.

The previous prime is 726028049. The next prime is 726028073. The reversal of 726028071 is 170820627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170820627 = 3 ⋅56940209.

It is a cyclic number.

It is not a de Polignac number, because 726028071 - 2¹⁰ = 726027047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726028073) 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, 121004676 + ... + 121004681.

It is an arithmetic number, because the mean of its divisors is an integer number (242009358).

Almost surely, 2^726028071 is an apocalyptic number.

726028071 is a deficient number, since it is larger than the sum of its proper divisors (242009361).

726028071 is a wasteful number, since it uses less digits than its factorization.

726028071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242009360.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 726028071 is about 26944.9080718417. The cubic root of 726028071 is about 898.7753182115.

Adding to 726028071 its reverse (170820627), we get a palindrome (896848698).

The spelling of 726028071 in words is "seven hundred twenty-six million, twenty-eight thousand, seventy-one".