11742478 has 16 divisors (see below), whose sum is σ = 20345904. Its totient is φ = 5023360.

The previous prime is 11742473. The next prime is 11742503. The reversal of 11742478 is 87424711.

11742478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15325 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (1271619).

Almost surely, 2^11742478 is an apocalyptic number.

11742478 is a deficient number, since it is larger than the sum of its proper divisors (8603426).

11742478 is a wasteful number, since it uses less digits than its factorization.

11742478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31427.

The product of its digits is 12544, while the sum is 34.

The square root of 11742478 is about 3426.7299280801. The cubic root of 11742478 is about 227.2932743508.

The spelling of 11742478 in words is "eleven million, seven hundred forty-two thousand, four hundred seventy-eight".