18079071 has 8 divisors (see below), whose sum is σ = 24410880. Its totient is φ = 11899992.

The previous prime is 18079057. The next prime is 18079091. The reversal of 18079071 is 17097081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18079071 - 2⁹ = 18078559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18079031) 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, 37905 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (3051360).

Almost surely, 2^18079071 is an apocalyptic number.

18079071 is a deficient number, since it is larger than the sum of its proper divisors (6331809).

18079071 is an equidigital number, since it uses as much as digits as its factorization.

18079071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76365.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 18079071 is about 4251.9490824797. The cubic root of 18079071 is about 262.4573282111.

It can be divided in two parts, 1807 and 9071, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 18079071 in words is "eighteen million, seventy-nine thousand, seventy-one".