7920009532 has 6 divisors (see below), whose sum is σ = 13860016688. Its totient is φ = 3960004764.

The previous prime is 7920009523. The next prime is 7920009547. The reversal of 7920009532 is 2359000297.

It is a junction number, because it is equal to n+sod(n) for n = 7920009491 and 7920009500.

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, 990001188 + ... + 990001195.

Almost surely, 2^7920009532 is an apocalyptic number.

It is an amenable number.

7920009532 is a deficient number, since it is larger than the sum of its proper divisors (5940007156).

7920009532 is a wasteful number, since it uses less digits than its factorization.

7920009532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980002387 (or 1980002385 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 7920009532 is about 88994.4353990743. The cubic root of 7920009532 is about 1993.3117864983.

The spelling of 7920009532 in words is "seven billion, nine hundred twenty million, nine thousand, five hundred thirty-two".