11742030 has 64 divisors (see below), whose sum is σ = 31625280. Its totient is φ = 3100032.

The previous prime is 11742011. The next prime is 11742043. The reversal of 11742030 is 3024711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11741994 and 11742012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42252 + ... + 42528.

It is an arithmetic number, because the mean of its divisors is an integer number (494145).

Almost surely, 2^11742030 is an apocalyptic number.

11742030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11742030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15812640).

11742030 is an abundant number, since it is smaller than the sum of its proper divisors (19883250).

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

11742030 is a wasteful number, since it uses less digits than its factorization.

11742030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 11742030 is about 3426.6645590136. The cubic root of 11742030 is about 227.2903837434.

Adding to 11742030 its reverse (3024711), we get a palindrome (14766741).

The spelling of 11742030 in words is "eleven million, seven hundred forty-two thousand, thirty".