726984670 has 8 divisors (see below), whose sum is σ = 1308572424. Its totient is φ = 290793864.

The previous prime is 726984649. The next prime is 726984679. The reversal of 726984670 is 76489627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726984679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36349224 + ... + 36349243.

It is an arithmetic number, because the mean of its divisors is an integer number (163571553).

Almost surely, 2^726984670 is an apocalyptic number.

726984670 is a deficient number, since it is larger than the sum of its proper divisors (581587754).

726984670 is a wasteful number, since it uses less digits than its factorization.

726984670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72698474.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 726984670 is about 26962.6532448125. The cubic root of 726984670 is about 899.1698806614.

The spelling of 726984670 in words is "seven hundred twenty-six million, nine hundred eighty-four thousand, six hundred seventy".