9702742 has 16 divisors (see below), whose sum is σ = 16676352. Its totient is φ = 4147560.

The previous prime is 9702713. The next prime is 9702743. The reversal of 9702742 is 2472079.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9702743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7267 + ... + 8497.

It is an arithmetic number, because the mean of its divisors is an integer number (1042272).

Almost surely, 2^9702742 is an apocalyptic number.

9702742 is a deficient number, since it is larger than the sum of its proper divisors (6973610).

9702742 is a wasteful number, since it uses less digits than its factorization.

9702742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 9702742 is about 3114.9224709453. The cubic root of 9702742 is about 213.2872171368.

The spelling of 9702742 in words is "nine million, seven hundred two thousand, seven hundred forty-two".