9742678 has 24 divisors (see below), whose sum is σ = 16240896. Its totient is φ = 4379760.

The previous prime is 9742669. The next prime is 9742679. The reversal of 9742678 is 8762479.

It is a super-2 number, since 2×9742678² = 189839549223368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9742679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30576 + ... + 30892.

It is an arithmetic number, because the mean of its divisors is an integer number (676704).

Almost surely, 2^9742678 is an apocalyptic number.

9742678 is a deficient number, since it is larger than the sum of its proper divisors (6498218).

9742678 is a wasteful number, since it uses less digits than its factorization.

9742678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 457 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 9742678 is about 3121.3263206528. The cubic root of 9742678 is about 213.5794430740.

The spelling of 9742678 in words is "nine million, seven hundred forty-two thousand, six hundred seventy-eight".