7474812818 has 16 divisors (see below), whose sum is σ = 12339759456. Its totient is φ = 3367573440.

The previous prime is 7474812817. The next prime is 7474812823. The reversal of 7474812818 is 8182184747.

It is a super-2 number, since 2×7474812818² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7474812811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500896 + ... + 1505867.

It is an arithmetic number, because the mean of its divisors is an integer number (771234966).

Almost surely, 2^7474812818 is an apocalyptic number.

7474812818 is a deficient number, since it is larger than the sum of its proper divisors (4864946638).

7474812818 is a wasteful number, since it uses less digits than its factorization.

7474812818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006889.

The product of its digits is 802816, while the sum is 50.

The square root of 7474812818 is about 86456.9998207201. Note that the first 3 decimals coincide. The cubic root of 7474812818 is about 1955.2401523392.

The spelling of 7474812818 in words is "seven billion, four hundred seventy-four million, eight hundred twelve thousand, eight hundred eighteen".