7472308306 has 4 divisors (see below), whose sum is σ = 11208462462. Its totient is φ = 3736154152.

The previous prime is 7472308289. The next prime is 7472308331. The reversal of 7472308306 is 6038032747.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7061881225 + 410427081 = 84035^2 + 20259^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868077075 + ... + 1868077078.

Almost surely, 2^7472308306 is an apocalyptic number.

7472308306 is a deficient number, since it is larger than the sum of its proper divisors (3736154156).

7472308306 is a wasteful number, since it uses less digits than its factorization.

7472308306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736154155.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7472308306 is about 86442.5144590323. The cubic root of 7472308306 is about 1955.0217535839.

The spelling of 7472308306 in words is "seven billion, four hundred seventy-two million, three hundred eight thousand, three hundred six".