731226426 has 16 divisors (see below), whose sum is σ = 1671374784. Its totient is φ = 208921824.

The previous prime is 731226413. The next prime is 731226427. The reversal of 731226426 is 624622137.

731226426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (731226427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705035 + ... + 8705118.

It is an arithmetic number, because the mean of its divisors is an integer number (104460924).

Almost surely, 2^731226426 is an apocalyptic number.

731226426 is an abundant number, since it is smaller than the sum of its proper divisors (940148358).

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

731226426 is a wasteful number, since it uses less digits than its factorization.

731226426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17410165.

The product of its digits is 24192, while the sum is 33.

The square root of 731226426 is about 27041.1986790527. The cubic root of 731226426 is about 900.9152935289.

The spelling of 731226426 in words is "seven hundred thirty-one million, two hundred twenty-six thousand, four hundred twenty-six".