718228990 has 8 divisors (see below), whose sum is σ = 1292812200. Its totient is φ = 287291592.

The previous prime is 718228967. The next prime is 718229011. The reversal of 718228990 is 99822817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 718228990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35911440 + ... + 35911459.

It is an arithmetic number, because the mean of its divisors is an integer number (161601525).

Almost surely, 2^718228990 is an apocalyptic number.

718228990 is a deficient number, since it is larger than the sum of its proper divisors (574583210).

718228990 is a wasteful number, since it uses less digits than its factorization.

718228990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71822906.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 718228990 is about 26799.7945887650. The cubic root of 718228990 is about 895.5454744178.

The spelling of 718228990 in words is "seven hundred eighteen million, two hundred twenty-eight thousand, nine hundred ninety".