8749437 has 4 divisors (see below), whose sum is σ = 11665920. Its totient is φ = 5832956.

The previous prime is 8749423. The next prime is 8749439. The reversal of 8749437 is 7349478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8749437 - 2⁴ = 8749421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458237 + ... + 1458242.

It is an arithmetic number, because the mean of its divisors is an integer number (2916480).

Almost surely, 2^8749437 is an apocalyptic number.

It is an amenable number.

8749437 is a deficient number, since it is larger than the sum of its proper divisors (2916483).

8749437 is a wasteful number, since it uses less digits than its factorization.

8749437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916482.

The product of its digits is 169344, while the sum is 42.

The square root of 8749437 is about 2957.9447256499. The cubic root of 8749437 is about 206.0598453078.

The spelling of 8749437 in words is "eight million, seven hundred forty-nine thousand, four hundred thirty-seven".