726567525 has 18 divisors (see below), whose sum is σ = 1301363570. Its totient is φ = 387502560.

The previous prime is 726567521. The next prime is 726567547. The reversal of 726567525 is 525765627.

726567525 is a `hidden beast` number, since 7 + 2 + 65 + 67 + 525 = 666.

726567525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32455809 + 694111716 = 5697^2 + 26346^2 .

It is not a de Polignac number, because 726567525 - 2² = 726567521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726567521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1614370 + ... + 1614819.

Almost surely, 2^726567525 is an apocalyptic number.

726567525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

726567525 is a deficient number, since it is larger than the sum of its proper divisors (574796045).

726567525 is a wasteful number, since it uses less digits than its factorization.

726567525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229205 (or 3229197 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 726567525 is about 26954.9165274167. The cubic root of 726567525 is about 898.9978660373.

The spelling of 726567525 in words is "seven hundred twenty-six million, five hundred sixty-seven thousand, five hundred twenty-five".