7545643322 has 16 divisors (see below), whose sum is σ = 13284994560. Its totient is φ = 3146445648.

The previous prime is 7545643267. The next prime is 7545643349. The reversal of 7545643322 is 2233465457.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7545643322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7282922 + ... + 7283957.

It is an arithmetic number, because the mean of its divisors is an integer number (830312160).

Almost surely, 2^7545643322 is an apocalyptic number.

7545643322 is a deficient number, since it is larger than the sum of its proper divisors (5739351238).

7545643322 is a wasteful number, since it uses less digits than its factorization.

7545643322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566925.

The product of its digits is 604800, while the sum is 41.

The square root of 7545643322 is about 86865.6625025102. The cubic root of 7545643322 is about 1961.3966272679.

The spelling of 7545643322 in words is "seven billion, five hundred forty-five million, six hundred forty-three thousand, three hundred twenty-two".