9773742 has 64 divisors (see below), whose sum is σ = 23390208. Its totient is φ = 2688000.

The previous prime is 9773737. The next prime is 9773747. The reversal of 9773742 is 2473779.

It is an interprime number because it is at equal distance from previous prime (9773737) and next prime (9773747).

It is a self number, because there is not a number n which added to its sum of digits gives 9773742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9773747) 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 31 ways as a sum of consecutive naturals, for example, 34642 + ... + 34922.

It is an arithmetic number, because the mean of its divisors is an integer number (365472).

Almost surely, 2^9773742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9773742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11695104).

9773742 is an abundant number, since it is smaller than the sum of its proper divisors (13616466).

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

9773742 is a wasteful number, since it uses less digits than its factorization.

9773742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 74088, while the sum is 39.

The square root of 9773742 is about 3126.2984502443. The cubic root of 9773742 is about 213.8061977334.

It can be divided in two parts, 97737 and 42, that added together give a palindrome (97779).

The spelling of 9773742 in words is "nine million, seven hundred seventy-three thousand, seven hundred forty-two".