7474812850 has 12 divisors (see below), whose sum is σ = 13903151994. Its totient is φ = 2989925120.

The previous prime is 7474812827. The next prime is 7474812871. The reversal of 7474812850 is 582184747.

It is a Cunningham number, because it is equal to 86457²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 6888834001 + 585978849 = 82999^2 + 24207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7474812850.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74748079 + ... + 74748178.

Almost surely, 2^7474812850 is an apocalyptic number.

7474812850 is a deficient number, since it is larger than the sum of its proper divisors (6428339144).

7474812850 is a wasteful number, since it uses less digits than its factorization.

7474812850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149496269 (or 149496264 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The square root of 7474812850 is about 86457.0000057832. Note that the first 5 decimals coincide. The cubic root of 7474812850 is about 1955.2401551294.

The spelling of 7474812850 in words is "seven billion, four hundred seventy-four million, eight hundred twelve thousand, eight hundred fifty".