2784725 has 24 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 2045120.

The previous prime is 2784713. The next prime is 2784757. The reversal of 2784725 is 5274872.

It is not a de Polignac number, because 2784725 - 2¹⁴ = 2768341 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

Its product of digits (31360) is a multiple of the sum of its prime divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16592 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^2784725 is an apocalyptic number.

2784725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2784725 is a deficient number, since it is larger than the sum of its proper divisors (965035).

2784725 is a wasteful number, since it uses less digits than its factorization.

2784725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2784725 is about 1668.7495318351. The cubic root of 2784725 is about 140.6892036046.

It can be divided in two parts, 27847 and 25, that added together give a palindrome (27872).

The spelling of 2784725 in words is "two million, seven hundred eighty-four thousand, seven hundred twenty-five".