731882090 has 16 divisors (see below), whose sum is σ = 1386724320. Its totient is φ = 277344720.

The previous prime is 731882083. The next prime is 731882111. The reversal of 731882090 is 90288137.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 1925816 + ... + 1926195.

It is an arithmetic number, because the mean of its divisors is an integer number (86670270).

Almost surely, 2^731882090 is an apocalyptic number.

731882090 is a deficient number, since it is larger than the sum of its proper divisors (654842230).

731882090 is a wasteful number, since it uses less digits than its factorization.

731882090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852037.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 731882090 is about 27053.3193896793. The cubic root of 731882090 is about 901.1844856877.

The spelling of 731882090 in words is "seven hundred thirty-one million, eight hundred eighty-two thousand, ninety".