2475720 has 144 divisors (see below), whose sum is σ = 9058140. Its totient is φ = 582912.

The previous prime is 2475709. The next prime is 2475721. The reversal of 2475720 is 275742.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 171396 = 1518^2 + 414^2 .

It is a super-2 number, since 2×2475720² = 12258379036800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2475721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107629 + ... + 107651.

2^2475720 is an apocalyptic number.

2475720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2475720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529070).

2475720 is an abundant number, since it is smaller than the sum of its proper divisors (6582420).

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

2475720 is a wasteful number, since it uses less digits than its factorization.

2475720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2475720 is about 1573.4420866368. The cubic root of 2475720 is about 135.2800769743.

The spelling of 2475720 in words is "two million, four hundred seventy-five thousand, seven hundred twenty".