7057072 has 40 divisors (see below), whose sum is σ = 15101712. Its totient is φ = 3168000.

The previous prime is 7057069. The next prime is 7057081. The reversal of 7057072 is 2707507.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7057072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17578 + ... + 17974.

Almost surely, 2^7057072 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 7057072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7550856).

7057072 is an abundant number, since it is smaller than the sum of its proper divisors (8044640).

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

7057072 is a wasteful number, since it uses less digits than its factorization.

7057072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 7057072 is about 2656.5150103096. The cubic root of 7057072 is about 191.8115917972.

It can be divided in two parts, 705 and 7072, that added together give a palindrome (7777).

The spelling of 7057072 in words is "seven million, fifty-seven thousand, seventy-two".