11742732 has 42 divisors (see below), whose sum is σ = 30818228. Its totient is φ = 3913272.

The previous prime is 11742713. The next prime is 11742751. The reversal of 11742732 is 23724711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11742713) and next prime (11742751).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11742696 and 11742705.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 903 + ... + 4929.

Almost surely, 2^11742732 is an apocalyptic number.

11742732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11742732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15409114).

11742732 is an abundant number, since it is smaller than the sum of its proper divisors (19075496).

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

11742732 is an equidigital number, since it uses as much as digits as its factorization.

11742732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4032 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11742732 is about 3426.7669894523. The cubic root of 11742732 is about 227.2949131893.

It can be divided in two parts, 117 and 42732, that added together give a square (42849 = 207²).

The spelling of 11742732 in words is "eleven million, seven hundred forty-two thousand, seven hundred thirty-two".