7522429818 has 64 divisors (see below), whose sum is σ = 16516991232. Its totient is φ = 2276651520.

The previous prime is 7522429793. The next prime is 7522429819. The reversal of 7522429818 is 8189242257.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7522429819) 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, 191380 + ... + 227312.

It is an arithmetic number, because the mean of its divisors is an integer number (258077988).

Almost surely, 2^7522429818 is an apocalyptic number.

7522429818 is an abundant number, since it is smaller than the sum of its proper divisors (8994561414).

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

7522429818 is a wasteful number, since it uses less digits than its factorization.

7522429818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039.

The product of its digits is 645120, while the sum is 48.

The square root of 7522429818 is about 86731.9423165422. The cubic root of 7522429818 is about 1959.3832067614.

The spelling of 7522429818 in words is "seven billion, five hundred twenty-two million, four hundred twenty-nine thousand, eight hundred eighteen".