9042780 has 48 divisors (see below), whose sum is σ = 26197920. Its totient is φ = 2327808.

The previous prime is 9042779. The next prime is 9042797. The reversal of 9042780 is 872409.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (545790).

Almost surely, 2^9042780 is an apocalyptic number.

It is an amenable number.

9042780 is an abundant number, since it is smaller than the sum of its proper divisors (17155140).

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

9042780 is a wasteful number, since it uses less digits than its factorization.

9042780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9042780 is about 3007.1215472608. The cubic root of 9042780 is about 208.3374392080.

The spelling of 9042780 in words is "nine million, forty-two thousand, seven hundred eighty".