9942537 has 16 divisors (see below), whose sum is σ = 14929920. Its totient is φ = 5830800.

The previous prime is 9942533. The next prime is 9942539. The reversal of 9942537 is 7352499.

9942537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9942537 - 2² = 9942533 is a prime.

9942537 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9942495 and 9942504.

It is not an unprimeable number, because it can be changed into a prime (9942533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3837 + ... + 5882.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^9942537 is an apocalyptic number.

It is an amenable number.

9942537 is a deficient number, since it is larger than the sum of its proper divisors (4987383).

9942537 is a wasteful number, since it uses less digits than its factorization.

9942537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764.

The product of its digits is 68040, while the sum is 39.

The square root of 9942537 is about 3153.1788721860. The cubic root of 9942537 is about 215.0300084308.

The spelling of 9942537 in words is "nine million, nine hundred forty-two thousand, five hundred thirty-seven".