726773537 has 24 divisors (see below), whose sum is σ = 861347520. Its totient is φ = 611308320.

The previous prime is 726773533. The next prime is 726773539. The reversal of 726773537 is 735377627.

726773537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 726773537 - 2² = 726773533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726773491 and 726773500.

It is not an unprimeable number, because it can be changed into a prime (726773533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102514 + ... + 1103172.

It is an arithmetic number, because the mean of its divisors is an integer number (35889480).

Almost surely, 2^726773537 is an apocalyptic number.

It is an amenable number.

726773537 is a deficient number, since it is larger than the sum of its proper divisors (134573983).

726773537 is a wasteful number, since it uses less digits than its factorization.

726773537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1054 counting only the distinct ones).

The product of its digits is 1296540, while the sum is 47.

The square root of 726773537 is about 26958.7376744535. The cubic root of 726773537 is about 899.0828257235.

The spelling of 726773537 in words is "seven hundred twenty-six million, seven hundred seventy-three thousand, five hundred thirty-seven".