3774247 has 4 divisors (see below), whose sum is σ = 3778720. Its totient is φ = 3769776.

The previous prime is 3774233. The next prime is 3774257. The reversal of 3774247 is 7424773.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7424773 = 1213 ⋅6121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3774247 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 (3774227) 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, 543 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (944680).

Almost surely, 2^3774247 is an apocalyptic number.

3774247 is a deficient number, since it is larger than the sum of its proper divisors (4473).

3774247 is a wasteful number, since it uses less digits than its factorization.

3774247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its digits is 32928, while the sum is 34.

The square root of 3774247 is about 1942.7421342010. The cubic root of 3774247 is about 155.6957553670.

It can be divided in two parts, 377 and 4247, that added together give a square (4624 = 68²).

The spelling of 3774247 in words is "three million, seven hundred seventy-four thousand, two hundred forty-seven".