726949122 has 16 divisors (see below), whose sum is σ = 1467238080. Its totient is φ = 240093072.

The previous prime is 726949079. The next prime is 726949123. The reversal of 726949122 is 221949627.

It is not an unprimeable number, because it can be changed into a prime (726949123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555118 + ... + 556425.

It is an arithmetic number, because the mean of its divisors is an integer number (91702380).

Almost surely, 2^726949122 is an apocalyptic number.

726949122 is an abundant number, since it is smaller than the sum of its proper divisors (740288958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726949122 is a wasteful number, since it uses less digits than its factorization.

726949122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111657.

The product of its digits is 108864, while the sum is 42.

The square root of 726949122 is about 26961.9940286322. The cubic root of 726949122 is about 899.1552245926.

The spelling of 726949122 in words is "seven hundred twenty-six million, nine hundred forty-nine thousand, one hundred twenty-two".