9742792 has 16 divisors (see below), whose sum is σ = 18386460. Its totient is φ = 4839744.

The previous prime is 9742757. The next prime is 9742793. The reversal of 9742792 is 2972479.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 45796 = 3114^2 + 214^2 .

It is not an unprimeable number, because it can be changed into a prime (9742793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2623 + ... + 5134.

Almost surely, 2^9742792 is an apocalyptic number.

It is an amenable number.

9742792 is a deficient number, since it is larger than the sum of its proper divisors (8643668).

9742792 is a wasteful number, since it uses less digits than its factorization.

9742792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7916 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 9742792 is about 3121.3445820672. The cubic root of 9742792 is about 213.5802761085.

The spelling of 9742792 in words is "nine million, seven hundred forty-two thousand, seven hundred ninety-two".