18070414 has 4 divisors (see below), whose sum is σ = 27105624. Its totient is φ = 9035206.

The previous prime is 18070411. The next prime is 18070477. The reversal of 18070414 is 41407081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41407081 = 191 ⋅216791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4517602 + ... + 4517605.

It is an arithmetic number, because the mean of its divisors is an integer number (6776406).

Almost surely, 2^18070414 is an apocalyptic number.

18070414 is a deficient number, since it is larger than the sum of its proper divisors (9035210).

18070414 is an equidigital number, since it uses as much as digits as its factorization.

18070414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9035209.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 18070414 is about 4250.9309568611. The cubic root of 18070414 is about 262.4154297484.

Adding to 18070414 its reverse (41407081), we get a palindrome (59477495).

The spelling of 18070414 in words is "eighteen million, seventy thousand, four hundred fourteen".