726740000667 has 32 divisors (see below), whose sum is σ = 1114684032000. Its totient is φ = 467406041760.

The previous prime is 726740000663. The next prime is 726740000671. The reversal of 726740000667 is 766000047627.

It is an interprime number because it is at equal distance from previous prime (726740000663) and next prime (726740000671).

It is not a de Polignac number, because 726740000667 - 2² = 726740000663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726740000663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586884 + ... + 1340862.

It is an arithmetic number, because the mean of its divisors is an integer number (34833876000).

Almost surely, 2^726740000667 is an apocalyptic number.

726740000667 is a deficient number, since it is larger than the sum of its proper divisors (387944031333).

726740000667 is a wasteful number, since it uses less digits than its factorization.

726740000667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755248 (or 755242 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 726740000667 in words is "seven hundred twenty-six billion, seven hundred forty million, six hundred sixty-seven", and thus it is an aban number.