8442072 has 24 divisors (see below), whose sum is σ = 22864140. Its totient is φ = 2814000.

The previous prime is 8442059. The next prime is 8442079. The reversal of 8442072 is 2702448.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58554 + ... + 58697.

Almost surely, 2^8442072 is an apocalyptic number.

It is an amenable number.

8442072 is an abundant number, since it is smaller than the sum of its proper divisors (14422068).

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

8442072 is a wasteful number, since it uses less digits than its factorization.

8442072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117263 (or 117256 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 8442072 is about 2905.5243932894. The cubic root of 8442072 is about 203.6180859155.

It can be divided in two parts, 844 and 2072, that added together give a square (2916 = 54²).

The spelling of 8442072 in words is "eight million, four hundred forty-two thousand, seventy-two".