3782457 has 30 divisors (see below), whose sum is σ = 6579738. Its totient is φ = 2159136.

The previous prime is 3782453. The next prime is 3782459. The reversal of 3782457 is 7542873.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 670761 = 1764^2 + 819^2 .

It is not a de Polignac number, because 3782457 - 2² = 3782453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3782453) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3493 + ... + 4445.

Almost surely, 2^3782457 is an apocalyptic number.

It is an amenable number.

3782457 is a deficient number, since it is larger than the sum of its proper divisors (2797281).

3782457 is an equidigital number, since it uses as much as digits as its factorization.

3782457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 963 counting only the distinct ones).

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

The square root of 3782457 is about 1944.8539790946. The cubic root of 3782457 is about 155.8085669571.

The spelling of 3782457 in words is "three million, seven hundred eighty-two thousand, four hundred fifty-seven".