7202872420 has 24 divisors (see below), whose sum is σ = 15127641144. Its totient is φ = 2880842496.

The previous prime is 7202872403. The next prime is 7202872433. The reversal of 7202872420 is 242782027.

It can be written as a sum of positive squares in 4 ways, for example, as 4158702144 + 3044170276 = 64488^2 + 55174^2 .

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, 320182 + ... + 341938.

It is an arithmetic number, because the mean of its divisors is an integer number (630318381).

Almost surely, 2^7202872420 is an apocalyptic number.

It is an amenable number.

7202872420 is an abundant number, since it is smaller than the sum of its proper divisors (7924768724).

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

7202872420 is a wasteful number, since it uses less digits than its factorization.

7202872420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38319 (or 38317 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 7202872420 is about 84869.7379517576. The cubic root of 7202872420 is about 1931.2355212762.

The spelling of 7202872420 in words is "seven billion, two hundred two million, eight hundred seventy-two thousand, four hundred twenty".