2799725 has 12 divisors (see below), whose sum is σ = 3538836. Its totient is φ = 2196480.

The previous prime is 2799661. The next prime is 2799733. The reversal of 2799725 is 5279972.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 434281 + 2365444 = 659^2 + 1538^2 .

It is not a de Polignac number, because 2799725 - 2⁶ = 2799661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (294903).

2^2799725 is an apocalyptic number.

2799725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2799725 is a deficient number, since it is larger than the sum of its proper divisors (739111).

2799725 is a wasteful number, since it uses less digits than its factorization.

2799725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2171 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 2799725 is about 1673.2378790835. The cubic root of 2799725 is about 140.9413601875.

The spelling of 2799725 in words is "two million, seven hundred ninety-nine thousand, seven hundred twenty-five".