7128452 has 6 divisors (see below), whose sum is σ = 12474798. Its totient is φ = 3564224.

The previous prime is 7128437. The next prime is 7128463. The reversal of 7128452 is 2548217.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 2262016 = 2206^2 + 1504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891053 + ... + 891060.

It is an arithmetic number, because the mean of its divisors is an integer number (2079133).

Almost surely, 2^7128452 is an apocalyptic number.

It is an amenable number.

7128452 is a deficient number, since it is larger than the sum of its proper divisors (5346346).

7128452 is a wasteful number, since it uses less digits than its factorization.

7128452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782117 (or 1782115 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 7128452 is about 2669.9161035508. The cubic root of 7128452 is about 192.4561276305.

The spelling of 7128452 in words is "seven million, one hundred twenty-eight thousand, four hundred fifty-two".