418072085 has 4 divisors (see below), whose sum is σ = 501686508. Its totient is φ = 334457664.

The previous prime is 418072051. The next prime is 418072093. The reversal of 418072085 is 580270814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332953009 + 85119076 = 18247^2 + 9226^2 .

It is a cyclic number.

It is not a de Polignac number, because 418072085 - 2¹² = 418067989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41807204 + ... + 41807213.

It is an arithmetic number, because the mean of its divisors is an integer number (125421627).

Almost surely, 2^418072085 is an apocalyptic number.

It is an amenable number.

418072085 is a deficient number, since it is larger than the sum of its proper divisors (83614423).

418072085 is an equidigital number, since it uses as much as digits as its factorization.

418072085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83614422.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 418072085 is about 20446.8111205635. The cubic root of 418072085 is about 747.7396151316.

The spelling of 418072085 in words is "four hundred eighteen million, seventy-two thousand, eighty-five".