2738457 has 12 divisors (see below), whose sum is σ = 4030884. Its totient is φ = 1790880.

The previous prime is 2738453. The next prime is 2738459. The reversal of 2738457 is 7548372.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 1058841 = 1296^2 + 1029^2 .

It is not a de Polignac number, because 2738457 - 2² = 2738453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2738453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2394 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (335907).

2^2738457 is an apocalyptic number.

It is an amenable number.

2738457 is a deficient number, since it is larger than the sum of its proper divisors (1292427).

2738457 is a wasteful number, since it uses less digits than its factorization.

2738457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5797 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2738457 is about 1654.8283898943. The cubic root of 2738457 is about 139.9056677455.

The spelling of 2738457 in words is "two million, seven hundred thirty-eight thousand, four hundred fifty-seven".