718542 has 48 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 205200.

The previous prime is 718541. The next prime is 718547. The reversal of 718542 is 245817.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3667 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2⁷¹⁸⁵⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898560).

718542 is an abundant number, since it is smaller than the sum of its proper divisors (1078578).

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

718542 is a wasteful number, since it uses less digits than its factorization.

718542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 226 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 718542 is about 847.6685673068. The cubic root of 718542 is about 89.5675550843.

It can be divided in two parts, 7185 and 42, that added together give a palindrome (7227).

The spelling of 718542 in words is "seven hundred eighteen thousand, five hundred forty-two".