9742788 has 96 divisors (see below), whose sum is σ = 28224000. Its totient is φ = 2881440.

The previous prime is 9742757. The next prime is 9742793. The reversal of 9742788 is 8872479.

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, 70023 + ... + 70161.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

Almost surely, 2^9742788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9742788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14112000).

9742788 is an abundant number, since it is smaller than the sum of its proper divisors (18481212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9742788 is a wasteful number, since it uses less digits than its factorization.

9742788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 214 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9742788 is about 3121.3439413176. The cubic root of 9742788 is about 213.5802468793.

The spelling of 9742788 in words is "nine million, seven hundred forty-two thousand, seven hundred eighty-eight".