1772725 has 12 divisors (see below), whose sum is σ = 2294496. Its totient is φ = 1356080.

The previous prime is 1772723. The next prime is 1772737. The reversal of 1772725 is 5272771.

It is not a de Polignac number, because 1772725 - 2¹ = 1772723 is a prime.

It is a Duffinian number.

1772725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772723) 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, 967 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (191208).

2^1772725 is an apocalyptic number.

It is an amenable number.

1772725 is a deficient number, since it is larger than the sum of its proper divisors (521771).

1772725 is a wasteful number, since it uses less digits than its factorization.

1772725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3111 counting only the distinct ones).

The product of its digits is 6860, while the sum is 31.

The square root of 1772725 is about 1331.4371934117. The cubic root of 1772725 is about 121.0264951201.

The spelling of 1772725 in words is "one million, seven hundred seventy-two thousand, seven hundred twenty-five".