726336445 has 8 divisors (see below), whose sum is σ = 873905760. Its totient is φ = 579534480.

The previous prime is 726336431. The next prime is 726336463. The reversal of 726336445 is 544633627.

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

It is not a de Polignac number, because 726336445 - 2¹⁷ = 726205373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726336398 and 726336407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189751 + ... + 193540.

It is an arithmetic number, because the mean of its divisors is an integer number (109238220).

Almost surely, 2^726336445 is an apocalyptic number.

It is an amenable number.

726336445 is a deficient number, since it is larger than the sum of its proper divisors (147569315).

726336445 is a wasteful number, since it uses less digits than its factorization.

726336445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383675.

The product of its digits is 362880, while the sum is 40.

The square root of 726336445 is about 26950.6297700072. The cubic root of 726336445 is about 898.9025491548.

The spelling of 726336445 in words is "seven hundred twenty-six million, three hundred thirty-six thousand, four hundred forty-five".