2750420 has 24 divisors (see below), whose sum is σ = 5831784. Its totient is φ = 1089536.

The previous prime is 2750401. The next prime is 2750431. The reversal of 2750420 is 240572.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 2729104 = 146^2 + 1652^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2750392 and 2750401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (242991).

2^2750420 is an apocalyptic number.

2750420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750420 is an abundant number, since it is smaller than the sum of its proper divisors (3081364).

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

2750420 is a wasteful number, since it uses less digits than its factorization.

2750420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2750420 is about 1658.4390251076. The cubic root of 2750420 is about 140.1090986334.

Adding to 2750420 its reverse (240572), we get a palindrome (2990992).

The spelling of 2750420 in words is "two million, seven hundred fifty thousand, four hundred twenty".