9907542 has 16 divisors (see below), whose sum is σ = 22016880. Its totient is φ = 3302496.

The previous prime is 9907529. The next prime is 9907567. The reversal of 9907542 is 2457099.

It is a junction number, because it is equal to n+sod(n) for n = 9907497 and 9907506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91683 + ... + 91790.

It is an arithmetic number, because the mean of its divisors is an integer number (1376055).

Almost surely, 2^9907542 is an apocalyptic number.

9907542 is an abundant number, since it is smaller than the sum of its proper divisors (12109338).

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

9907542 is a wasteful number, since it uses less digits than its factorization.

9907542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183484 (or 183478 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9907542 is about 3147.6248188118. The cubic root of 9907542 is about 214.7774296687. Note that the first 3 decimals are identical.

The spelling of 9907542 in words is "nine million, nine hundred seven thousand, five hundred forty-two".