8752739 has 4 divisors (see below), whose sum is σ = 9267624. Its totient is φ = 8237856.

The previous prime is 8752717. The next prime is 8752741. The reversal of 8752739 is 9372578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9372578 = 2 ⋅4686289.

It is a cyclic number.

It is not a de Polignac number, because 8752739 - 2¹² = 8748643 is a prime.

It is a super-2 number, since 2×8752739² = 153220880004242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8752696 and 8752705.

It is not an unprimeable number, because it can be changed into a prime (8752769) 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, 257417 + ... + 257450.

It is an arithmetic number, because the mean of its divisors is an integer number (2316906).

Almost surely, 2^8752739 is an apocalyptic number.

8752739 is a deficient number, since it is larger than the sum of its proper divisors (514885).

8752739 is a wasteful number, since it uses less digits than its factorization.

8752739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514884.

The product of its digits is 105840, while the sum is 41.

The square root of 8752739 is about 2958.5028308251. The cubic root of 8752739 is about 206.0857640815.

The spelling of 8752739 in words is "eight million, seven hundred fifty-two thousand, seven hundred thirty-nine".