18716070 has 16 divisors (see below), whose sum is σ = 44918640. Its totient is φ = 4990944.

The previous prime is 18716069. The next prime is 18716111. The reversal of 18716070 is 7061781.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 623869 = 18716070 / (1 + 8 + 7 + 1 + 6 + 0 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311905 + ... + 311964.

It is an arithmetic number, because the mean of its divisors is an integer number (2807415).

Almost surely, 2^18716070 is an apocalyptic number.

18716070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18716070 is an abundant number, since it is smaller than the sum of its proper divisors (26202570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18716070 is a wasteful number, since it uses less digits than its factorization.

18716070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623879.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 18716070 is about 4326.2073459325. The cubic root of 18716070 is about 265.5042966240.

The spelling of 18716070 in words is "eighteen million, seven hundred sixteen thousand, seventy".