1772265 has 32 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 820160.

The previous prime is 1772249. The next prime is 1772273. The reversal of 1772265 is 5622771.

It is not a de Polignac number, because 1772265 - 2⁴ = 1772249 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3562 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^1772265 is an apocalyptic number.

1772265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1772265 is a deficient number, since it is larger than the sum of its proper divisors (1462551).

1772265 is a wasteful number, since it uses less digits than its factorization.

1772265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 5880, while the sum is 30.

The square root of 1772265 is about 1331.2644365414. The cubic root of 1772265 is about 121.0160259264.

It can be divided in two parts, 177 and 2265, that added together give a palindrome (2442).

The spelling of 1772265 in words is "one million, seven hundred seventy-two thousand, two hundred sixty-five".