18679071 has 16 divisors (see below), whose sum is σ = 26829440. Its totient is φ = 11521440.

The previous prime is 18679061. The next prime is 18679079. The reversal of 18679071 is 17097681.

It is not a de Polignac number, because 18679071 - 2⁹ = 18678559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18679079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (1676840).

Almost surely, 2^18679071 is an apocalyptic number.

18679071 is a deficient number, since it is larger than the sum of its proper divisors (8150369).

18679071 is a wasteful number, since it uses less digits than its factorization.

18679071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 18679071 is about 4321.9290831757. The cubic root of 18679071 is about 265.3292265062.

The spelling of 18679071 in words is "eighteen million, six hundred seventy-nine thousand, seventy-one".