7018385 has 8 divisors (see below), whose sum is σ = 9187776. Its totient is φ = 5104240.

The previous prime is 7018379. The next prime is 7018387. The reversal of 7018385 is 5838107.

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

It is not a de Polignac number, because 7018385 - 2⁶ = 7018321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7018387) 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, 63749 + ... + 63858.

It is an arithmetic number, because the mean of its divisors is an integer number (1148472).

Almost surely, 2^7018385 is an apocalyptic number.

It is an amenable number.

7018385 is a deficient number, since it is larger than the sum of its proper divisors (2169391).

7018385 is a wasteful number, since it uses less digits than its factorization.

7018385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127623.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 7018385 is about 2649.2234711326. The cubic root of 7018385 is about 191.4604444430.

The spelling of 7018385 in words is "seven million, eighteen thousand, three hundred eighty-five".