1845072 has 40 divisors (see below), whose sum is σ = 5297280. Its totient is φ = 614880.

The previous prime is 1845049. The next prime is 1845073. The reversal of 1845072 is 2705481.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845073) 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, 1704 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (132432).

2^1845072 is an apocalyptic number.

1845072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1845072 is an abundant number, since it is smaller than the sum of its proper divisors (3452208).

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

1845072 is a wasteful number, since it uses less digits than its factorization.

1845072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4276 counting only the distinct ones).

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

The square root of 1845072 is about 1358.3342740283. The cubic root of 1845072 is about 122.6510035661.

The spelling of 1845072 in words is "one million, eight hundred forty-five thousand, seventy-two".