7145472 has 48 divisors (see below), whose sum is σ = 19066320. Its totient is φ = 2379776.

The previous prime is 7145443. The next prime is 7145473. The reversal of 7145472 is 2745417.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7145473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (397215).

Almost surely, 2^7145472 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 7145472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9533160).

7145472 is an abundant number, since it is smaller than the sum of its proper divisors (11920848).

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

7145472 is a wasteful number, since it uses less digits than its factorization.

7145472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1168 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 7145472 is about 2673.1015693385. The cubic root of 7145472 is about 192.6091762767.

The spelling of 7145472 in words is "seven million, one hundred forty-five thousand, four hundred seventy-two".