718998606 has 48 divisors (see below), whose sum is σ = 1626534000. Its totient is φ = 238033728.

The previous prime is 718998601. The next prime is 718998619. The reversal of 718998606 is 606899817.

718998606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718998601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67450 + ... + 77378.

It is an arithmetic number, because the mean of its divisors is an integer number (33886125).

Almost surely, 2^718998606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718998606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813267000).

718998606 is an abundant number, since it is smaller than the sum of its proper divisors (907535394).

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

718998606 is a wasteful number, since it uses less digits than its factorization.

718998606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095 (or 10083 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 718998606 is about 26814.1493618574. The cubic root of 718998606 is about 895.8652332053.

The spelling of 718998606 in words is "seven hundred eighteen million, nine hundred ninety-eight thousand, six hundred six".