9773730 has 64 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 2553408.

The previous prime is 9773723. The next prime is 9773737. The reversal of 9773730 is 373779.

It is an interprime number because it is at equal distance from previous prime (9773723) and next prime (9773737).

It is a super-2 number, since 2×9773730² = 191051596225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9773737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13969 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (415530).

Almost surely, 2^9773730 is an apocalyptic number.

9773730 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9773730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13296960).

9773730 is an abundant number, since it is smaller than the sum of its proper divisors (16820190).

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

9773730 is a wasteful number, since it uses less digits than its factorization.

9773730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 36.

The square root of 9773730 is about 3126.2965310412. The cubic root of 9773730 is about 213.8061102311.

The spelling of 9773730 in words is "nine million, seven hundred seventy-three thousand, seven hundred thirty".