726420237 has 8 divisors (see below), whose sum is σ = 970681536. Its totient is φ = 483219552.

The previous prime is 726420221. The next prime is 726420239. The reversal of 726420237 is 732024627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 726420237 - 2⁴ = 726420221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726420198 and 726420207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726420239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263553 + ... + 266294.

It is an arithmetic number, because the mean of its divisors is an integer number (121335192).

Almost surely, 2^726420237 is an apocalyptic number.

It is an amenable number.

726420237 is a deficient number, since it is larger than the sum of its proper divisors (244261299).

726420237 is a wasteful number, since it uses less digits than its factorization.

726420237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530307.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 726420237 is about 26952.1842714092. The cubic root of 726420237 is about 898.9371143790.

The spelling of 726420237 in words is "seven hundred twenty-six million, four hundred twenty thousand, two hundred thirty-seven".