6971725 has 12 divisors (see below), whose sum is σ = 8879764. Its totient is φ = 5425920.

The previous prime is 6971711. The next prime is 6971729. The reversal of 6971725 is 5271796.

It can be written as a sum of positive squares in 6 ways, for example, as 17956 + 6953769 = 134^2 + 2637^2 .

It is not a de Polignac number, because 6971725 - 2⁵ = 6971693 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2844 + ... + 4693.

Almost surely, 2^6971725 is an apocalyptic number.

It is an amenable number.

6971725 is a deficient number, since it is larger than the sum of its proper divisors (1908039).

6971725 is a wasteful number, since it uses less digits than its factorization.

6971725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 7579 counting only the distinct ones).

The product of its digits is 26460, while the sum is 37.

The square root of 6971725 is about 2640.4024314487. The cubic root of 6971725 is about 191.0352081874.

The spelling of 6971725 in words is "six million, nine hundred seventy-one thousand, seven hundred twenty-five".