11472742 has 4 divisors (see below), whose sum is σ = 17209116. Its totient is φ = 5736370.

The previous prime is 11472731. The next prime is 11472757. The reversal of 11472742 is 24727411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24727411 = 1657 ⋅14923.

It is a self number, because there is not a number n which added to its sum of digits gives 11472742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2868184 + ... + 2868187.

It is an arithmetic number, because the mean of its divisors is an integer number (4302279).

Almost surely, 2^11472742 is an apocalyptic number.

11472742 is a deficient number, since it is larger than the sum of its proper divisors (5736374).

11472742 is an equidigital number, since it uses as much as digits as its factorization.

11472742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736373.

The product of its digits is 3136, while the sum is 28.

The square root of 11472742 is about 3387.1436343917. The cubic root of 11472742 is about 225.5393939400.

The spelling of 11472742 in words is "eleven million, four hundred seventy-two thousand, seven hundred forty-two".