2725020 has 36 divisors (see below), whose sum is σ = 8266440. Its totient is φ = 726624.

The previous prime is 2725003. The next prime is 2725027. The reversal of 2725020 is 205272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2724984 and 2725002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7390 + ... + 7749.

2^2725020 is an apocalyptic number.

2725020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725020 is an abundant number, since it is smaller than the sum of its proper divisors (5541420).

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

2725020 is a wasteful number, since it uses less digits than its factorization.

2725020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15154 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2725020 is about 1650.7634597361. The cubic root of 2725020 is about 139.6764637768.

The spelling of 2725020 in words is "two million, seven hundred twenty-five thousand, twenty".