2475728 has 10 divisors (see below), whose sum is σ = 4796754. Its totient is φ = 1237856.

The previous prime is 2475721. The next prime is 2475751. The reversal of 2475728 is 8275742.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 425104 = 1432^2 + 652^2 .

It is a super-2 number, since 2×2475728² = 12258458259968, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 77351 + ... + 77382.

2^2475728 is an apocalyptic number.

It is an amenable number.

2475728 is a deficient number, since it is larger than the sum of its proper divisors (2321026).

2475728 is a wasteful number, since it uses less digits than its factorization.

2475728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154741 (or 154735 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2475728 is about 1573.4446288319. Note that the first 3 decimals coincide. The cubic root of 2475728 is about 135.2802226881.

The spelling of 2475728 in words is "two million, four hundred seventy-five thousand, seven hundred twenty-eight".