8820742 has 16 divisors (see below), whose sum is σ = 15305472. Its totient is φ = 3734280.

The previous prime is 8820733. The next prime is 8820743. The reversal of 8820742 is 2470288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (956592).

Almost surely, 2^8820742 is an apocalyptic number.

8820742 is a deficient number, since it is larger than the sum of its proper divisors (6484730).

8820742 is a wasteful number, since it uses less digits than its factorization.

8820742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 8820742 is about 2969.9734005543. The cubic root of 8820742 is about 206.6181045570.

The spelling of 8820742 in words is "eight million, eight hundred twenty thousand, seven hundred forty-two".