7128072 has 48 divisors (see below), whose sum is σ = 22064640. Its totient is φ = 2036448.

The previous prime is 7128071. The next prime is 7128101. The reversal of 7128072 is 2708217.

It is not an unprimeable number, because it can be changed into a prime (7128071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6568 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (459680).

Almost surely, 2^7128072 is an apocalyptic number.

7128072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7128072 is an abundant number, since it is smaller than the sum of its proper divisors (14936568).

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

7128072 is a wasteful number, since it uses less digits than its factorization.

7128072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162 (or 14155 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 7128072 is about 2669.8449393176. The cubic root of 7128072 is about 192.4527077843.

The spelling of 7128072 in words is "seven million, one hundred twenty-eight thousand, seventy-two".