3747447 has 12 divisors (see below), whose sum is σ = 5905224. Its totient is φ = 2271120.

The previous prime is 3747431. The next prime is 3747479. The reversal of 3747447 is 7447473.

It is not a de Polignac number, because 3747447 - 2⁴ = 3747431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18828 + ... + 19025.

It is an arithmetic number, because the mean of its divisors is an integer number (492102).

Almost surely, 2^3747447 is an apocalyptic number.

3747447 is a deficient number, since it is larger than the sum of its proper divisors (2157777).

3747447 is a wasteful number, since it uses less digits than its factorization.

3747447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37870 (or 37867 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 3747447 is about 1935.8323791072. The cubic root of 3747447 is about 155.3263605622.

The spelling of 3747447 in words is "three million, seven hundred forty-seven thousand, four hundred forty-seven".