9997734 has 16 divisors (see below), whose sum is σ = 21171888. Its totient is φ = 3136512.

The previous prime is 9997711. The next prime is 9997739. The reversal of 9997734 is 4377999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997739) 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 7 ways as a sum of consecutive naturals, for example, 48907 + ... + 49110.

It is an arithmetic number, because the mean of its divisors is an integer number (1323243).

Almost surely, 2^9997734 is an apocalyptic number.

9997734 is an abundant number, since it is smaller than the sum of its proper divisors (11174154).

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

9997734 is a wasteful number, since it uses less digits than its factorization.

9997734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98039.

The product of its digits is 428652, while the sum is 48.

The square root of 9997734 is about 3161.9193538103. The cubic root of 9997734 is about 215.4271946105.

It can be divided in two parts, 9997 and 734, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 9997734 in words is "nine million, nine hundred ninety-seven thousand, seven hundred thirty-four".