3704257 has 4 divisors (see below), whose sum is σ = 3832020. Its totient is φ = 3576496.

The previous prime is 3704251. The next prime is 3704279. The reversal of 3704257 is 7524073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7524073 = 2143 ⋅3511.

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 3013696 = 831^2 + 1736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3704257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3704251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63838 + ... + 63895.

It is an arithmetic number, because the mean of its divisors is an integer number (958005).

Almost surely, 2^3704257 is an apocalyptic number.

It is an amenable number.

3704257 is a deficient number, since it is larger than the sum of its proper divisors (127763).

3704257 is a wasteful number, since it uses less digits than its factorization.

3704257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127762.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3704257 is about 1924.6446425250. The cubic root of 3704257 is about 154.7273319252.

The spelling of 3704257 in words is "three million, seven hundred four thousand, two hundred fifty-seven".