7139072 has 36 divisors (see below), whose sum is σ = 14471520. Its totient is φ = 3514368.

The previous prime is 7139071. The next prime is 7139089. The reversal of 7139072 is 2709317.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139071) 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, 20048 + ... + 20400.

Almost surely, 2^7139072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7139072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7235760).

7139072 is an abundant number, since it is smaller than the sum of its proper divisors (7332448).

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

7139072 is an equidigital number, since it uses as much as digits as its factorization.

7139072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 7139072 is about 2671.9041898990. The cubic root of 7139072 is about 192.5516542104.

The spelling of 7139072 in words is "seven million, one hundred thirty-nine thousand, seventy-two".