9942715 has 8 divisors (see below), whose sum is σ = 11978208. Its totient is φ = 7922880.

The previous prime is 9942707. The next prime is 9942721. The reversal of 9942715 is 5172499.

9942715 = 48² + 49² + ... + 310².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9942715 - 2³ = 9942707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1497276).

Almost surely, 2^9942715 is an apocalyptic number.

9942715 is a deficient number, since it is larger than the sum of its proper divisors (2035493).

9942715 is a wasteful number, since it uses less digits than its factorization.

9942715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829.

The product of its digits is 22680, while the sum is 37.

The square root of 9942715 is about 3153.2070975437. The cubic root of 9942715 is about 215.0312916417.

The spelling of 9942715 in words is "nine million, nine hundred forty-two thousand, seven hundred fifteen".