718470 has 40 divisors (see below), whose sum is σ = 1934064. Its totient is φ = 191376.

The previous prime is 718463. The next prime is 718493. The reversal of 718470 is 74817.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 367 + ... + 1253.

2⁷¹⁸⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967032).

718470 is an abundant number, since it is smaller than the sum of its proper divisors (1215594).

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

718470 is a wasteful number, since it uses less digits than its factorization.

718470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 718470 is about 847.6260968139. The cubic root of 718470 is about 89.5645633411.

The spelling of 718470 in words is "seven hundred eighteen thousand, four hundred seventy".