2751420 has 48 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 628800.

The previous prime is 2751407. The next prime is 2751449. The reversal of 2751420 is 241572.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

2^2751420 is an apocalyptic number.

2751420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2751420 is an abundant number, since it is smaller than the sum of its proper divisors (6054468).

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

2751420 is a wasteful number, since it uses less digits than its factorization.

2751420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2751420 is about 1658.7404860315. The cubic root of 2751420 is about 140.1260769036.

Adding to 2751420 its reverse (241572), we get a palindrome (2992992).

The spelling of 2751420 in words is "two million, seven hundred fifty-one thousand, four hundred twenty".