1970725 has 12 divisors (see below), whose sum is σ = 2588004. Its totient is φ = 1483520.

The previous prime is 1970719. The next prime is 1970729. The reversal of 1970725 is 5270791.

It can be written as a sum of positive squares in 6 ways, for example, as 30276 + 1940449 = 174^2 + 1393^2 .

It is not a de Polignac number, because 1970725 - 2⁷ = 1970597 is a prime.

It is a Duffinian number.

1970725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970729) 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, 1894 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (215667).

2^1970725 is an apocalyptic number.

It is an amenable number.

1970725 is a deficient number, since it is larger than the sum of its proper divisors (617279).

1970725 is a wasteful number, since it uses less digits than its factorization.

1970725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1970725 is about 1403.8251315602. The cubic root of 1970725 is about 125.3743444773.

The spelling of 1970725 in words is "one million, nine hundred seventy thousand, seven hundred twenty-five".