18485750 has 16 divisors (see below), whose sum is σ = 34605792. Its totient is φ = 7394200.

The previous prime is 18485741. The next prime is 18485759. The reversal of 18485750 is 5758481.

It is an interprime number because it is at equal distance from previous prime (18485741) and next prime (18485759).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36722 + ... + 37221.

It is an arithmetic number, because the mean of its divisors is an integer number (2162862).

Almost surely, 2^18485750 is an apocalyptic number.

18485750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18485750 is a deficient number, since it is larger than the sum of its proper divisors (16120042).

18485750 is an equidigital number, since it uses as much as digits as its factorization.

18485750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73960 (or 73950 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 18485750 is about 4299.5057855526. The cubic root of 18485750 is about 264.4106995181.

It can be divided in two parts, 184857 and 50, that multiplied together give a triangular number (9242850 = T₄₂₉₉).

The spelling of 18485750 in words is "eighteen million, four hundred eighty-five thousand, seven hundred fifty".