8325749 has 4 divisors (see below), whose sum is σ = 8355660. Its totient is φ = 8295840.

The previous prime is 8325719. The next prime is 8325769. The reversal of 8325749 is 9475238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9475238 = 2 ⋅4737619.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 1643524 = 2585^2 + 1282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8325749 is a prime.

It is a super-2 number, since 2×8325749² = 138636192822002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8325719) 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, 14534 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (2088915).

Almost surely, 2^8325749 is an apocalyptic number.

It is an amenable number.

8325749 is a deficient number, since it is larger than the sum of its proper divisors (29911).

8325749 is a wasteful number, since it uses less digits than its factorization.

8325749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29910.

The product of its digits is 60480, while the sum is 38.

The square root of 8325749 is about 2885.4374018509. The cubic root of 8325749 is about 202.6785419206.

The spelling of 8325749 in words is "eight million, three hundred twenty-five thousand, seven hundred forty-nine".