7125745 has 32 divisors (see below), whose sum is σ = 10036224. Its totient is φ = 4804800.

The previous prime is 7125743. The next prime is 7125751. The reversal of 7125745 is 5475217.

It is not a de Polignac number, because 7125745 - 2¹ = 7125743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54330 + ... + 54460.

It is an arithmetic number, because the mean of its divisors is an integer number (313632).

Almost surely, 2^7125745 is an apocalyptic number.

It is an amenable number.

7125745 is a deficient number, since it is larger than the sum of its proper divisors (2910479).

7125745 is a wasteful number, since it uses less digits than its factorization.

7125745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 9800, while the sum is 31.

The square root of 7125745 is about 2669.4091106460. The cubic root of 7125745 is about 192.4317630748.

The spelling of 7125745 in words is "seven million, one hundred twenty-five thousand, seven hundred forty-five".