7105725 has 90 divisors (see below), whose sum is σ = 14966490. Its totient is φ = 3326400.

The previous prime is 7105723. The next prime is 7105729. The reversal of 7105725 is 5275017.

It can be written as a sum of positive squares in 3 ways, for example, as 480249 + 6625476 = 693^2 + 2574^2 .

It is not a de Polignac number, because 7105725 - 2¹ = 7105723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7105723) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 245011 + ... + 245039.

Almost surely, 2^7105725 is an apocalyptic number.

7105725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7105725 is an abundant number, since it is smaller than the sum of its proper divisors (7860765).

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

7105725 is a wasteful number, since it uses less digits than its factorization.

7105725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 7105725 is about 2665.6565795316. The cubic root of 7105725 is about 192.2513797170.

7105725 divided by its sum of digits (27) gives a triangular number (263175 = T₇₂₅).

The spelling of 7105725 in words is "seven million, one hundred five thousand, seven hundred twenty-five".