18536070 has 64 divisors (see below), whose sum is σ = 51710976. Its totient is φ = 4164480.

The previous prime is 18536057. The next prime is 18536081. The reversal of 18536070 is 7063581.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 12087 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (807984).

Almost surely, 2^18536070 is an apocalyptic number.

18536070 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 18536070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25855488).

18536070 is an abundant number, since it is smaller than the sum of its proper divisors (33174906).

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

18536070 is a wasteful number, since it uses less digits than its factorization.

18536070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 18536070 is about 4305.3536440111. The cubic root of 18536070 is about 264.6503993228.

The spelling of 18536070 in words is "eighteen million, five hundred thirty-six thousand, seventy".