18710479 has 2 divisors, whose sum is σ = 18710480. Its totient is φ = 18710478.

The previous prime is 18710467. The next prime is 18710507. The reversal of 18710479 is 97401781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18710479 - 2¹⁹ = 18186191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18710449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9355239 + 9355240.

It is an arithmetic number, because the mean of its divisors is an integer number (9355240).

Almost surely, 2^18710479 is an apocalyptic number.

18710479 is a deficient number, since it is larger than the sum of its proper divisors (1).

18710479 is an equidigital number, since it uses as much as digits as its factorization.

18710479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 18710479 is about 4325.5611196699. The cubic root of 18710479 is about 265.4778562021.

The spelling of 18710479 in words is "eighteen million, seven hundred ten thousand, four hundred seventy-nine".