8724734 has 4 divisors (see below), whose sum is σ = 13087104. Its totient is φ = 4362366.

The previous prime is 8724721. The next prime is 8724739. The reversal of 8724734 is 4374278.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8724734² = 152241966741512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8724694 and 8724703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8724739) 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 as a sum of consecutive naturals, namely, 2181182 + ... + 2181185.

It is an arithmetic number, because the mean of its divisors is an integer number (3271776).

Almost surely, 2^8724734 is an apocalyptic number.

8724734 is a deficient number, since it is larger than the sum of its proper divisors (4362370).

8724734 is a wasteful number, since it uses less digits than its factorization.

8724734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362369.

The product of its digits is 37632, while the sum is 35.

The square root of 8724734 is about 2953.7660706292. The cubic root of 8724734 is about 205.8657339799.

The spelling of 8724734 in words is "eight million, seven hundred twenty-four thousand, seven hundred thirty-four".