709290890 has 32 divisors (see below), whose sum is σ = 1591761024. Its totient is φ = 221077440.

The previous prime is 709290871. The next prime is 709290899. The reversal of 709290890 is 98092907.

709290890 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 (709290899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459809 + ... + 461348.

It is an arithmetic number, because the mean of its divisors is an integer number (49742532).

Almost surely, 2^709290890 is an apocalyptic number.

709290890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

709290890 is an abundant number, since it is smaller than the sum of its proper divisors (882470134).

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

709290890 is a wasteful number, since it uses less digits than its factorization.

709290890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921182.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 709290890 is about 26632.5156528631. The cubic root of 709290890 is about 891.8150435625.

The spelling of 709290890 in words is "seven hundred nine million, two hundred ninety thousand, eight hundred ninety".