7212595240 has 32 divisors (see below), whose sum is σ = 16237989000. Its totient is φ = 2883322624.

The previous prime is 7212595217. The next prime is 7212595241. The reversal of 7212595240 is 425952127.

It can be written as a sum of positive squares in 4 ways, for example, as 5289071076 + 1923524164 = 72726^2 + 43858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7212595240.

It is not an unprimeable number, because it can be changed into a prime (7212595241) 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, 15606 + ... + 121114.

Almost surely, 2^7212595240 is an apocalyptic number.

It is an amenable number.

7212595240 is an abundant number, since it is smaller than the sum of its proper divisors (9025393760).

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

7212595240 is a wasteful number, since it uses less digits than its factorization.

7212595240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107229 (or 107225 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 7212595240 is about 84926.9994760206. Note that the first 3 decimals coincide. The cubic root of 7212595240 is about 1932.1040920273.

The spelling of 7212595240 in words is "seven billion, two hundred twelve million, five hundred ninety-five thousand, two hundred forty".