11731734 has 48 divisors (see below), whose sum is σ = 30764448. Its totient is φ = 3154176.

The previous prime is 11731729. The next prime is 11731763. The reversal of 11731734 is 43713711.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11731698 and 11731707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597 + ... + 4880.

It is an arithmetic number, because the mean of its divisors is an integer number (640926).

Almost surely, 2^11731734 is an apocalyptic number.

11731734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11731734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15382224).

11731734 is an abundant number, since it is smaller than the sum of its proper divisors (19032714).

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

11731734 is a wasteful number, since it uses less digits than its factorization.

11731734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509 (or 5506 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 11731734 is about 3425.1618939840. The cubic root of 11731734 is about 227.2239311192.

The spelling of 11731734 in words is "eleven million, seven hundred thirty-one thousand, seven hundred thirty-four".