7532397081 has 24 divisors (see below), whose sum is σ = 12252115200. Its totient is φ = 4417826400.

The previous prime is 7532397071. The next prime is 7532397091. The reversal of 7532397081 is 1807932357.

It is a happy number.

7532397081 is a `hidden beast` number, since 7 + 532 + 39 + 7 + 0 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (7532397071) and next prime (7532397091).

It is not a de Polignac number, because 7532397081 - 2⁶ = 7532397017 is a prime.

It is a super-2 number, since 2×7532397081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7532397011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1224106 + ... + 1230243.

It is an arithmetic number, because the mean of its divisors is an integer number (510504800).

Almost surely, 2^7532397081 is an apocalyptic number.

It is an amenable number.

7532397081 is a deficient number, since it is larger than the sum of its proper divisors (4719718119).

7532397081 is a wasteful number, since it uses less digits than its factorization.

7532397081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454397 (or 2454394 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 7532397081 is about 86789.3834578861. The cubic root of 7532397081 is about 1960.2482228491.

The spelling of 7532397081 in words is "seven billion, five hundred thirty-two million, three hundred ninety-seven thousand, eighty-one".