718289394 has 16 divisors (see below), whose sum is σ = 1447891968. Its totient is φ = 237544272.

The previous prime is 718289381. The next prime is 718289401. The reversal of 718289394 is 493982817.

718289394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470557 + ... + 472080.

It is an arithmetic number, because the mean of its divisors is an integer number (90493248).

Almost surely, 2^718289394 is an apocalyptic number.

718289394 is an abundant number, since it is smaller than the sum of its proper divisors (729602574).

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

718289394 is a wasteful number, since it uses less digits than its factorization.

718289394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942769.

The product of its digits is 870912, while the sum is 51.

The square root of 718289394 is about 26800.9215140077. The cubic root of 718289394 is about 895.5705792303.

The spelling of 718289394 in words is "seven hundred eighteen million, two hundred eighty-nine thousand, three hundred ninety-four".