9942755 has 4 divisors (see below), whose sum is σ = 11931312. Its totient is φ = 7954200.

The previous prime is 9942749. The next prime is 9942763. The reversal of 9942755 is 5572499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5572499 = 43 ⋅129593.

It is not a de Polignac number, because 9942755 - 2²² = 5748451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994271 + ... + 994280.

It is an arithmetic number, because the mean of its divisors is an integer number (2982828).

Almost surely, 2^9942755 is an apocalyptic number.

9942755 is a deficient number, since it is larger than the sum of its proper divisors (1988557).

9942755 is a wasteful number, since it uses less digits than its factorization.

9942755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988556.

The product of its digits is 113400, while the sum is 41.

The square root of 9942755 is about 3153.2134402860. The cubic root of 9942755 is about 215.0315800015.

The spelling of 9942755 in words is "nine million, nine hundred forty-two thousand, seven hundred fifty-five".