7127193940 has 12 divisors (see below), whose sum is σ = 14967107316. Its totient is φ = 2850877568.

The previous prime is 7127193929. The next prime is 7127194043. The reversal of 7127193940 is 493917217.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3357970704 + 3769223236 = 57948^2 + 61394^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178179829 + ... + 178179868.

It is an arithmetic number, because the mean of its divisors is an integer number (1247258943).

Almost surely, 2^7127193940 is an apocalyptic number.

It is an amenable number.

7127193940 is an abundant number, since it is smaller than the sum of its proper divisors (7839913376).

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

7127193940 is a wasteful number, since it uses less digits than its factorization.

7127193940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356359706 (or 356359704 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7127193940 is about 84422.7098593737. The cubic root of 7127193940 is about 1924.4480513481.

The spelling of 7127193940 in words is "seven billion, one hundred twenty-seven million, one hundred ninety-three thousand, nine hundred forty".