3749497 has 4 divisors (see below), whose sum is σ = 3878820. Its totient is φ = 3620176.

The previous prime is 3749477. The next prime is 3749527. The reversal of 3749497 is 7949473.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 2062096 = 1299^2 + 1436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3749497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3749407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64618 + ... + 64675.

It is an arithmetic number, because the mean of its divisors is an integer number (969705).

Almost surely, 2^3749497 is an apocalyptic number.

It is an amenable number.

3749497 is a deficient number, since it is larger than the sum of its proper divisors (129323).

3749497 is a wasteful number, since it uses less digits than its factorization.

3749497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129322.

The product of its digits is 190512, while the sum is 43.

The square root of 3749497 is about 1936.3617947068. The cubic root of 3749497 is about 155.3546785962.

The spelling of 3749497 in words is "three million, seven hundred forty-nine thousand, four hundred ninety-seven".