9742740 has 48 divisors (see below), whose sum is σ = 31178112. Its totient is φ = 2226816.

The previous prime is 9742739. The next prime is 9742757. The reversal of 9742740 is 472479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11179 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (649544).

Almost surely, 2^9742740 is an apocalyptic number.

It is an amenable number.

9742740 is an abundant number, since it is smaller than the sum of its proper divisors (21435372).

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

9742740 is a wasteful number, since it uses less digits than its factorization.

9742740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23216 (or 23214 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 9742740 is about 3121.3362523125. The cubic root of 9742740 is about 213.5798961286.

The spelling of 9742740 in words is "nine million, seven hundred forty-two thousand, seven hundred forty".