3547725 has 12 divisors (see below), whose sum is σ = 5865696. Its totient is φ = 1892080.

The previous prime is 3547723. The next prime is 3547741. The reversal of 3547725 is 5277453.

It is not a de Polignac number, because 3547725 - 2¹ = 3547723 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 5 + 4⁴ + 7 + 7 + 2 + 5⁹ .

3547725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547721) 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, 23577 + ... + 23726.

It is an arithmetic number, because the mean of its divisors is an integer number (488808).

Almost surely, 2^3547725 is an apocalyptic number.

It is an amenable number.

3547725 is a deficient number, since it is larger than the sum of its proper divisors (2317971).

3547725 is a wasteful number, since it uses less digits than its factorization.

3547725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316 (or 47311 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 3547725 is about 1883.5405490724. The cubic root of 3547725 is about 152.5164364619.

The spelling of 3547725 in words is "three million, five hundred forty-seven thousand, seven hundred twenty-five".