8723242 has 32 divisors (see below), whose sum is σ = 15422400. Its totient is φ = 3657600.

The previous prime is 8723213. The next prime is 8723243. The reversal of 8723242 is 2423278.

It is a self number, because there is not a number n which added to its sum of digits gives 8723242.

It is not an unprimeable number, because it can be changed into a prime (8723243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16884 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (481950).

Almost surely, 2^8723242 is an apocalyptic number.

8723242 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8723242 is a deficient number, since it is larger than the sum of its proper divisors (6699158).

8723242 is a wasteful number, since it uses less digits than its factorization.

8723242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its digits is 5376, while the sum is 28.

The square root of 8723242 is about 2953.5135009002. The cubic root of 8723242 is about 205.8539984097.

It can be divided in two parts, 872 and 3242, that added together give a palindrome (4114).

The spelling of 8723242 in words is "eight million, seven hundred twenty-three thousand, two hundred forty-two".