9018750 has 96 divisors (see below), whose sum is σ = 24935904. Its totient is φ = 2160000.

The previous prime is 9018743. The next prime is 9018761. The reversal of 9018750 is 578109.

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 47 ways as a sum of consecutive naturals, for example, 243732 + ... + 243768.

It is an arithmetic number, because the mean of its divisors is an integer number (259749).

Almost surely, 2^9018750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9018750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12467952).

9018750 is an abundant number, since it is smaller than the sum of its proper divisors (15917154).

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

9018750 is a wasteful number, since it uses less digits than its factorization.

9018750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 9018750 is about 3003.1233740890. The cubic root of 9018750 is about 208.1527323739.

The spelling of 9018750 in words is "nine million, eighteen thousand, seven hundred fifty".