7478322916 has 24 divisors (see below), whose sum is σ = 14334720120. Its totient is φ = 3397857792.

The previous prime is 7478322883. The next prime is 7478322919. The reversal of 7478322916 is 6192238747.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4775362816 + 2702960100 = 69104^2 + 51990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7478322916.

It is not an unprimeable number, because it can be changed into a prime (7478322919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894155 + ... + 1898098.

It is an arithmetic number, because the mean of its divisors is an integer number (597280005).

Almost surely, 2^7478322916 is an apocalyptic number.

It is an amenable number.

7478322916 is a deficient number, since it is larger than the sum of its proper divisors (6856397204).

7478322916 is a wasteful number, since it uses less digits than its factorization.

7478322916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792303 (or 3792301 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 7478322916 is about 86477.2971131730. The cubic root of 7478322916 is about 1955.5461582427.

The spelling of 7478322916 in words is "seven billion, four hundred seventy-eight million, three hundred twenty-two thousand, nine hundred sixteen".