9742785 has 32 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 4512768.

The previous prime is 9742757. The next prime is 9742793. The reversal of 9742785 is 5872479.

It is not a de Polignac number, because 9742785 - 2⁷ = 9742657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846 + ... + 4784.

It is an arithmetic number, because the mean of its divisors is an integer number (555660).

Almost surely, 2^9742785 is an apocalyptic number.

It is an amenable number.

9742785 is a deficient number, since it is larger than the sum of its proper divisors (8038335).

9742785 is a wasteful number, since it uses less digits than its factorization.

9742785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its digits is 141120, while the sum is 42.

The square root of 9742785 is about 3121.3434607553. The cubic root of 9742785 is about 213.5802249574.

The spelling of 9742785 in words is "nine million, seven hundred forty-two thousand, seven hundred eighty-five".