7540664132 has 12 divisors (see below), whose sum is σ = 13197685116. Its totient is φ = 3769896960.

The previous prime is 7540664113. The next prime is 7540664167. The reversal of 7540664132 is 2314660457.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6240052036 + 1300612096 = 78994^2 + 36064^2 .

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, 68093 + ... + 140420.

It is an arithmetic number, because the mean of its divisors is an integer number (1099807093).

Almost surely, 2^7540664132 is an apocalyptic number.

It is an amenable number.

7540664132 is a deficient number, since it is larger than the sum of its proper divisors (5657020984).

7540664132 is a wasteful number, since it uses less digits than its factorization.

7540664132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217558 (or 217556 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 7540664132 is about 86836.9974837914. The cubic root of 7540664132 is about 1960.9651060578.

The spelling of 7540664132 in words is "seven billion, five hundred forty million, six hundred sixty-four thousand, one hundred thirty-two".