7162818 has 32 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 2184000.

The previous prime is 7162807. The next prime is 7162843. The reversal of 7162818 is 8182617.

It is a happy number.

7162818 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7162818² = 102611923402248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9868 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (486486).

Almost surely, 2^7162818 is an apocalyptic number.

7162818 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7162818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783776).

7162818 is an abundant number, since it is smaller than the sum of its proper divisors (8404734).

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

7162818 is a wasteful number, since it uses less digits than its factorization.

7162818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its digits is 5376, while the sum is 33.

The square root of 7162818 is about 2676.3441482739. The cubic root of 7162818 is about 192.7649065504.

The spelling of 7162818 in words is "seven million, one hundred sixty-two thousand, eight hundred eighteen".