8393742572 has 6 divisors (see below), whose sum is σ = 14689049508. Its totient is φ = 4196871284.

The previous prime is 8393742563. The next prime is 8393742593. The reversal of 8393742572 is 2752473938.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8393742572.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049217818 + ... + 1049217825.

It is an arithmetic number, because the mean of its divisors is an integer number (2448174918).

Almost surely, 2^8393742572 is an apocalyptic number.

It is an amenable number.

8393742572 is a deficient number, since it is larger than the sum of its proper divisors (6295306936).

8393742572 is a wasteful number, since it uses less digits than its factorization.

8393742572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098435647 (or 2098435645 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 8393742572 is about 91617.3704708883. The cubic root of 8393742572 is about 2032.2878241901.

The spelling of 8393742572 in words is "eight billion, three hundred ninety-three million, seven hundred forty-two thousand, five hundred seventy-two".