8724738 has 32 divisors (see below), whose sum is σ = 19176192. Its totient is φ = 2624400.

The previous prime is 8724721. The next prime is 8724739. The reversal of 8724738 is 8374278.

It is a super-2 number, since 2×8724738² = 152242106337288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8724696 and 8724705.

It is not an unprimeable number, because it can be changed into a prime (8724739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10353 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (599256).

Almost surely, 2^8724738 is an apocalyptic number.

8724738 is an abundant number, since it is smaller than the sum of its proper divisors (10451454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8724738 is a wasteful number, since it uses less digits than its factorization.

8724738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 75264, while the sum is 39.

The square root of 8724738 is about 2953.7667477308. The cubic root of 8724738 is about 205.8657654407.

The spelling of 8724738 in words is "eight million, seven hundred twenty-four thousand, seven hundred thirty-eight".