7530535988 has 6 divisors (see below), whose sum is σ = 13178437986. Its totient is φ = 3765267992.

The previous prime is 7530535979. The next prime is 7530536011. The reversal of 7530535988 is 8895350357.

It can be written as a sum of positive squares in only one way, i.e., 6752237584 + 778298404 = 82172^2 + 27898^2 .

It is a super-2 number, since 2×7530535988² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941316995 + ... + 941317002.

It is an arithmetic number, because the mean of its divisors is an integer number (2196406331).

Almost surely, 2^7530535988 is an apocalyptic number.

It is an amenable number.

7530535988 is a deficient number, since it is larger than the sum of its proper divisors (5647901998).

7530535988 is a wasteful number, since it uses less digits than its factorization.

7530535988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882634001 (or 1882633999 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 53.

The square root of 7530535988 is about 86778.6609023209. The cubic root of 7530535988 is about 1960.0867645195.

The spelling of 7530535988 in words is "seven billion, five hundred thirty million, five hundred thirty-five thousand, nine hundred eighty-eight".