3731427 has 20 divisors (see below), whose sum is σ = 6371376. Its totient is φ = 2131920.

The previous prime is 3731417. The next prime is 3731443. The reversal of 3731427 is 7241373.

It is not a de Polignac number, because 3731427 - 2¹¹ = 3729379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3731427.

It is not an unprimeable number, because it can be changed into a prime (3731417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2724 + ... + 3857.

Almost surely, 2^3731427 is an apocalyptic number.

3731427 is a deficient number, since it is larger than the sum of its proper divisors (2639949).

3731427 is an equidigital number, since it uses as much as digits as its factorization.

3731427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600 (or 6591 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 3731427 is about 1931.6901925516. The cubic root of 3731427 is about 155.1047089921.

The spelling of 3731427 in words is "three million, seven hundred thirty-one thousand, four hundred twenty-seven".