726966947 has 8 divisors (see below), whose sum is σ = 832915296. Its totient is φ = 621542592.

The previous prime is 726966943. The next prime is 726966953. The reversal of 726966947 is 749669627.

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 726966947 - 2² = 726966943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726966892 and 726966901.

It is not an unprimeable number, because it can be changed into a prime (726966943) 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, 128018 + ... + 133575.

It is an arithmetic number, because the mean of its divisors is an integer number (104114412).

Almost surely, 2^726966947 is an apocalyptic number.

726966947 is a deficient number, since it is larger than the sum of its proper divisors (105948349).

726966947 is a wasteful number, since it uses less digits than its factorization.

726966947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261997.

The product of its digits is 6858432, while the sum is 56.

The square root of 726966947 is about 26962.3245845012. The cubic root of 726966947 is about 899.1625737135.

The spelling of 726966947 in words is "seven hundred twenty-six million, nine hundred sixty-six thousand, nine hundred forty-seven".