726378955 has 8 divisors (see below), whose sum is σ = 871970112. Its totient is φ = 580892928.

The previous prime is 726378881. The next prime is 726378967. The reversal of 726378955 is 559873627.

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 726378955 - 2⁷ = 726378827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10182 + ... + 39451.

It is an arithmetic number, because the mean of its divisors is an integer number (108996264).

Almost surely, 2^726378955 is an apocalyptic number.

726378955 is a deficient number, since it is larger than the sum of its proper divisors (145591157).

726378955 is a wasteful number, since it uses less digits than its factorization.

726378955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52565.

The product of its digits is 3175200, while the sum is 52.

The square root of 726378955 is about 26951.4184227844. The cubic root of 726378955 is about 898.9200853816.

The spelling of 726378955 in words is "seven hundred twenty-six million, three hundred seventy-eight thousand, nine hundred fifty-five".