2735725 has 24 divisors (see below), whose sum is σ = 3702888. Its totient is φ = 1996800.

The previous prime is 2735723. The next prime is 2735731. The reversal of 2735725 is 5275372.

It can be written as a sum of positive squares in 12 ways, for example, as 1340964 + 1394761 = 1158^2 + 1181^2 .

It is not a de Polignac number, because 2735725 - 2¹ = 2735723 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁵ + 7⁴ + 3¹² + 5 + 7⁶ + 2¹⁷ + 5⁹ .

It is a Duffinian number.

2735725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2735723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17347 + ... + 17503.

It is an arithmetic number, because the mean of its divisors is an integer number (154287).

2^2735725 is an apocalyptic number.

2735725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2735725 is a deficient number, since it is larger than the sum of its proper divisors (967163).

2735725 is a wasteful number, since it uses less digits than its factorization.

2735725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its digits is 14700, while the sum is 31.

The square root of 2735725 is about 1654.0027206749. The cubic root of 2735725 is about 139.8591270036.

The spelling of 2735725 in words is "two million, seven hundred thirty-five thousand, seven hundred twenty-five".