3704502749 has 4 divisors (see below), whose sum is σ = 3755249436. Its totient is φ = 3653756064.

The previous prime is 3704502743. The next prime is 3704502779. The reversal of 3704502749 is 9472054073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9472054073 = 72271 ⋅131063.

It can be written as a sum of positive squares in 2 ways, for example, as 2416410649 + 1288092100 = 49157^2 + 35890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3704502749 - 2²⁰ = 3703454173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3704502743) 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, 25373234 + ... + 25373379.

It is an arithmetic number, because the mean of its divisors is an integer number (938812359).

Almost surely, 2^3704502749 is an apocalyptic number.

It is an amenable number.

3704502749 is a deficient number, since it is larger than the sum of its proper divisors (50746687).

3704502749 is an equidigital number, since it uses as much as digits as its factorization.

3704502749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50746686.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 3704502749 is about 60864.6264179778. The cubic root of 3704502749 is about 1547.3075350621.

The spelling of 3704502749 in words is "three billion, seven hundred four million, five hundred two thousand, seven hundred forty-nine".