7530402132 has 72 divisors (see below), whose sum is σ = 20777877120. Its totient is φ = 2280597120.

The previous prime is 7530402017. The next prime is 7530402149. The reversal of 7530402132 is 2312040357.

It is a junction number, because it is equal to n+sod(n) for n = 7530402096 and 7530402105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822693 + ... + 831795.

Almost surely, 2^7530402132 is an apocalyptic number.

It is an amenable number.

7530402132 is an abundant number, since it is smaller than the sum of its proper divisors (13247474988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7530402132 is a wasteful number, since it uses less digits than its factorization.

7530402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213 (or 11208 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7530402132 is about 86777.8896493802. The cubic root of 7530402132 is about 1960.0751508739.

Adding to 7530402132 its reverse (2312040357), we get a palindrome (9842442489).

The spelling of 7530402132 in words is "seven billion, five hundred thirty million, four hundred two thousand, one hundred thirty-two".