18052470 has 192 divisors, whose sum is σ = 56609280. Its totient is φ = 4105728.

The previous prime is 18052469. The next prime is 18052481. The reversal of 18052470 is 7425081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 784879 + ... + 784901.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^18052470 is an apocalyptic number.

18052470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18052470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

18052470 is an abundant number, since it is smaller than the sum of its proper divisors (38556810).

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

18052470 is a wasteful number, since it uses less digits than its factorization.

18052470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 18052470 is about 4248.8198361427. The cubic root of 18052470 is about 262.3285410926.

It can be divided in two parts, 180 and 52470, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 18052470 in words is "eighteen million, fifty-two thousand, four hundred seventy".