7518723342 has 64 divisors (see below), whose sum is σ = 16482385920. Its totient is φ = 2272644864.

The previous prime is 7518723319. The next prime is 7518723347. The reversal of 7518723342 is 2433278157.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7518723294 and 7518723303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7518723347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016634 + ... + 1024002.

It is an arithmetic number, because the mean of its divisors is an integer number (257537280).

Almost surely, 2^7518723342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7518723342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8241192960).

7518723342 is an abundant number, since it is smaller than the sum of its proper divisors (8963662578).

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

7518723342 is a wasteful number, since it uses less digits than its factorization.

7518723342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617.

The product of its digits is 282240, while the sum is 42.

The square root of 7518723342 is about 86710.5722619797. The cubic root of 7518723342 is about 1959.0613426776.

The spelling of 7518723342 in words is "seven billion, five hundred eighteen million, seven hundred twenty-three thousand, three hundred forty-two".