726418238 has 48 divisors (see below), whose sum is σ = 1398421584. Its totient is φ = 280344960.

The previous prime is 726418237. The next prime is 726418243. The reversal of 726418238 is 832814627.

726418238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 726418195 and 726418204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726418237) 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, 45281 + ... + 59187.

It is an arithmetic number, because the mean of its divisors is an integer number (29133783).

Almost surely, 2^726418238 is an apocalyptic number.

726418238 is a deficient number, since it is larger than the sum of its proper divisors (672003346).

726418238 is a wasteful number, since it uses less digits than its factorization.

726418238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13977 (or 13970 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 726418238 is about 26952.1471871909. The cubic root of 726418238 is about 898.9362897980.

The spelling of 726418238 in words is "seven hundred twenty-six million, four hundred eighteen thousand, two hundred thirty-eight".