726048781 has 8 divisors (see below), whose sum is σ = 732653600. Its totient is φ = 719470512.

The previous prime is 726048707. The next prime is 726048793. The reversal of 726048781 is 187840627.

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

It is a cyclic number.

It is not a de Polignac number, because 726048781 - 2⁹ = 726048269 is a prime.

It is a super-2 number, since 2×726048781² = 1054293664783171922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726048481) 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, 50506 + ... + 63268.

It is an arithmetic number, because the mean of its divisors is an integer number (91581700).

Almost surely, 2^726048781 is an apocalyptic number.

It is an amenable number.

726048781 is a deficient number, since it is larger than the sum of its proper divisors (6604819).

726048781 is a wasteful number, since it uses less digits than its factorization.

726048781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 726048781 is about 26945.2923717669. The cubic root of 726048781 is about 898.7838640059.

The spelling of 726048781 in words is "seven hundred twenty-six million, forty-eight thousand, seven hundred eighty-one".