726202493 has 4 divisors (see below), whose sum is σ = 726336480. Its totient is φ = 726068508.

The previous prime is 726202471. The next prime is 726202501. The reversal of 726202493 is 394202627.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 726202493 - 2¹² = 726198397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726202093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58505 + ... + 69822.

It is an arithmetic number, because the mean of its divisors is an integer number (181584120).

Almost surely, 2^726202493 is an apocalyptic number.

It is an amenable number.

726202493 is a deficient number, since it is larger than the sum of its proper divisors (133987).

726202493 is a wasteful number, since it uses less digits than its factorization.

726202493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133986.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 726202493 is about 26948.1445186863. The cubic root of 726202493 is about 898.8472867954.

The spelling of 726202493 in words is "seven hundred twenty-six million, two hundred two thousand, four hundred ninety-three".