11772742 has 24 divisors (see below), whose sum is σ = 19121400. Its totient is φ = 5420448.

The previous prime is 11772737. The next prime is 11772751. The reversal of 11772742 is 24727711.

11772742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132234 + ... + 132322.

It is an arithmetic number, because the mean of its divisors is an integer number (796725).

Almost surely, 2^11772742 is an apocalyptic number.

11772742 is a deficient number, since it is larger than the sum of its proper divisors (7348658).

11772742 is an equidigital number, since it uses as much as digits as its factorization.

11772742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 169 counting only the distinct ones).

The product of its digits is 5488, while the sum is 31.

The square root of 11772742 is about 3431.1429582575. The cubic root of 11772742 is about 227.4883752060.

The spelling of 11772742 in words is "eleven million, seven hundred seventy-two thousand, seven hundred forty-two".