11742273 has 16 divisors (see below), whose sum is σ = 17958400. Its totient is φ = 7575120.

The previous prime is 11742251. The next prime is 11742299. The reversal of 11742273 is 37224711.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11742273 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11742173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6178 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (1122400).

Almost surely, 2^11742273 is an apocalyptic number.

It is an amenable number.

11742273 is a deficient number, since it is larger than the sum of its proper divisors (6216127).

11742273 is a wasteful number, since it uses less digits than its factorization.

11742273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069 (or 14063 counting only the distinct ones).

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

The square root of 11742273 is about 3426.7000160504. The cubic root of 11742273 is about 227.2919516490.

Adding to 11742273 its reverse (37224711), we get a palindrome (48966984).

The spelling of 11742273 in words is "eleven million, seven hundred forty-two thousand, two hundred seventy-three".