722043090 has 48 divisors (see below), whose sum is σ = 1882303488. Its totient is φ = 192032928.

The previous prime is 722043083. The next prime is 722043107. The reversal of 722043090 is 90340227.

722043090 is a `hidden beast` number, since 7 + 220 + 430 + 9 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23997 + ... + 44943.

It is an arithmetic number, because the mean of its divisors is an integer number (39214656).

Almost surely, 2^722043090 is an apocalyptic number.

722043090 is an abundant number, since it is smaller than the sum of its proper divisors (1160260398).

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

722043090 is a wasteful number, since it uses less digits than its factorization.

722043090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21343 (or 21340 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 722043090 is about 26870.8594949994. The cubic root of 722043090 is about 897.1279184319.

The spelling of 722043090 in words is "seven hundred twenty-two million, forty-three thousand, ninety".