2478272 has 14 divisors (see below), whose sum is σ = 4917948. Its totient is φ = 1239104.

The previous prime is 2478271. The next prime is 2478293. The reversal of 2478272 is 2728742.

It is a happy number.

It is a super-2 number, since 2×2478272² = 12283664211968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2478271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19298 + ... + 19425.

It is an arithmetic number, because the mean of its divisors is an integer number (351282).

2^2478272 is an apocalyptic number.

It is an amenable number.

2478272 is a deficient number, since it is larger than the sum of its proper divisors (2439676).

2478272 is an equidigital number, since it uses as much as digits as its factorization.

2478272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38735 (or 38725 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 2478272 is about 1574.2528386508. The cubic root of 2478272 is about 135.3265437530.

The spelling of 2478272 in words is "two million, four hundred seventy-eight thousand, two hundred seventy-two".