9420740 has 36 divisors (see below), whose sum is σ = 23015916. Its totient is φ = 3229632.

The previous prime is 9420721. The next prime is 9420743. The reversal of 9420740 is 470249.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 2119936 = 2702^2 + 1456^2 .

It is not an unprimeable number, because it can be changed into a prime (9420743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3827 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (639331).

Almost surely, 2^9420740 is an apocalyptic number.

It is an amenable number.

9420740 is an abundant number, since it is smaller than the sum of its proper divisors (13595176).

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

9420740 is a wasteful number, since it uses less digits than its factorization.

9420740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636 (or 9627 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 9420740 is about 3069.3224007914. The cubic root of 9420740 is about 211.2005311147.

Adding to 9420740 its reverse (470249), we get a palindrome (9890989).

The spelling of 9420740 in words is "nine million, four hundred twenty thousand, seven hundred forty".