7347742131 has 16 divisors (see below), whose sum is σ = 9954664704. Its totient is φ = 4819825824.

The previous prime is 7347742121. The next prime is 7347742139. The reversal of 7347742131 is 1312477437.

It is a happy number.

It is not a de Polignac number, because 7347742131 - 2⁶ = 7347742067 is a prime.

It is a super-2 number, since 2×7347742131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7347742131.

It is not an unprimeable number, because it can be changed into a prime (7347742139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157681 + ... + 198893.

It is an arithmetic number, because the mean of its divisors is an integer number (622166544).

Almost surely, 2^7347742131 is an apocalyptic number.

7347742131 is a deficient number, since it is larger than the sum of its proper divisors (2606922573).

7347742131 is a wasteful number, since it uses less digits than its factorization.

7347742131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42170.

The product of its digits is 98784, while the sum is 39.

The square root of 7347742131 is about 85718.9718265449. The cubic root of 7347742131 is about 1944.0971731748.

The spelling of 7347742131 in words is "seven billion, three hundred forty-seven million, seven hundred forty-two thousand, one hundred thirty-one".