11671742 has 4 divisors (see below), whose sum is σ = 17507616. Its totient is φ = 5835870.

The previous prime is 11671739. The next prime is 11671747. The reversal of 11671742 is 24717611.

11671742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24717611 = 2767 ⋅8933.

It is a super-2 number, since 2×11671742² = 272459122629128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2917934 + ... + 2917937.

It is an arithmetic number, because the mean of its divisors is an integer number (4376904).

Almost surely, 2^11671742 is an apocalyptic number.

11671742 is a deficient number, since it is larger than the sum of its proper divisors (5835874).

11671742 is an equidigital number, since it uses as much as digits as its factorization.

11671742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835873.

The product of its digits is 2352, while the sum is 29.

The square root of 11671742 is about 3416.3931272616. The cubic root of 11671742 is about 226.8359543690.

The spelling of 11671742 in words is "eleven million, six hundred seventy-one thousand, seven hundred forty-two".