9942735 has 16 divisors (see below), whose sum is σ = 17354880. Its totient is φ = 4820640.

The previous prime is 9942731. The next prime is 9942749. The reversal of 9942735 is 5372499.

It is not a de Polignac number, because 9942735 - 2² = 9942731 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9942693 and 9942702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942731) 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, 29965 + ... + 30294.

It is an arithmetic number, because the mean of its divisors is an integer number (1084680).

Almost surely, 2^9942735 is an apocalyptic number.

9942735 is a deficient number, since it is larger than the sum of its proper divisors (7412145).

9942735 is a wasteful number, since it uses less digits than its factorization.

9942735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60278.

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

The square root of 9942735 is about 3153.2102689164. The cubic root of 9942735 is about 215.0314358217.

The spelling of 9942735 in words is "nine million, nine hundred forty-two thousand, seven hundred thirty-five".