726472337 has 4 divisors (see below), whose sum is σ = 727917120. Its totient is φ = 725027556.

The previous prime is 726472333. The next prime is 726472343. The reversal of 726472337 is 733274627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733274627 = 41 ⋅17884747.

It is a cyclic number.

It is not a de Polignac number, because 726472337 - 2² = 726472333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726472294 and 726472303.

It is not an unprimeable number, because it can be changed into a prime (726472333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721637 + ... + 722642.

It is an arithmetic number, because the mean of its divisors is an integer number (181979280).

Almost surely, 2^726472337 is an apocalyptic number.

It is an amenable number.

726472337 is a deficient number, since it is larger than the sum of its proper divisors (1444783).

726472337 is a wasteful number, since it uses less digits than its factorization.

726472337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444782.

The product of its digits is 296352, while the sum is 41.

The square root of 726472337 is about 26953.1507805674. The cubic root of 726472337 is about 898.9586049257.

The spelling of 726472337 in words is "seven hundred twenty-six million, four hundred seventy-two thousand, three hundred thirty-seven".