726384537 has 8 divisors (see below), whose sum is σ = 1076125280. Its totient is φ = 484256340.

The previous prime is 726384493. The next prime is 726384601. The reversal of 726384537 is 735483627.

726384537 is a `hidden beast` number, since 7 + 2 + 638 + 4 + 5 + 3 + 7 = 666.

It is not a de Polignac number, because 726384537 - 2¹⁰ = 726383513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726384492 and 726384501.

It is not an unprimeable number, because it can be changed into a prime (726384937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13451539 + ... + 13451592.

It is an arithmetic number, because the mean of its divisors is an integer number (134515660).

Almost surely, 2^726384537 is an apocalyptic number.

It is an amenable number.

726384537 is a deficient number, since it is larger than the sum of its proper divisors (349740743).

726384537 is a wasteful number, since it uses less digits than its factorization.

726384537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903140 (or 26903134 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 726384537 is about 26951.5219792872. The cubic root of 726384537 is about 898.9223880177.

The spelling of 726384537 in words is "seven hundred twenty-six million, three hundred eighty-four thousand, five hundred thirty-seven".