726261755 has 8 divisors (see below), whose sum is σ = 879976032. Its totient is φ = 575368128.

The previous prime is 726261749. The next prime is 726261763. The reversal of 726261755 is 557162627.

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 726261755 - 2⁶ = 726261691 is a prime.

It is a super-2 number, since 2×726261755² = 1054912273551360050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704594 + ... + 705623.

It is an arithmetic number, because the mean of its divisors is an integer number (109997004).

Almost surely, 2^726261755 is an apocalyptic number.

726261755 is a deficient number, since it is larger than the sum of its proper divisors (153714277).

726261755 is a wasteful number, since it uses less digits than its factorization.

726261755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410325.

The product of its digits is 176400, while the sum is 41.

The square root of 726261755 is about 26949.2440524776. The cubic root of 726261755 is about 898.8717363759.

The spelling of 726261755 in words is "seven hundred twenty-six million, two hundred sixty-one thousand, seven hundred fifty-five".