3745247 has 4 divisors (see below), whose sum is σ = 4085736. Its totient is φ = 3404760.

The previous prime is 3745243. The next prime is 3745249. The reversal of 3745247 is 7425473.

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

It is a cyclic number.

It is not a de Polignac number, because 3745247 - 2² = 3745243 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745241) 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, 170228 + ... + 170249.

It is an arithmetic number, because the mean of its divisors is an integer number (1021434).

Almost surely, 2^3745247 is an apocalyptic number.

3745247 is a deficient number, since it is larger than the sum of its proper divisors (340489).

3745247 is a wasteful number, since it uses less digits than its factorization.

3745247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340488.

The product of its digits is 23520, while the sum is 32.

The square root of 3745247 is about 1935.2640646692. The cubic root of 3745247 is about 155.2959589861.

The spelling of 3745247 in words is "three million, seven hundred forty-five thousand, two hundred forty-seven".