1772256 has 24 divisors (see below), whose sum is σ = 4652424. Its totient is φ = 590720.

The previous prime is 1772249. The next prime is 1772273. The reversal of 1772256 is 6522771.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (193851).

2^1772256 is an apocalyptic number.

1772256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1772256 is an abundant number, since it is smaller than the sum of its proper divisors (2880168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1772256 is a wasteful number, since it uses less digits than its factorization.

1772256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474 (or 18466 counting only the distinct ones).

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

The square root of 1772256 is about 1331.2610562921. The cubic root of 1772256 is about 121.0158210763.

The spelling of 1772256 in words is "one million, seven hundred seventy-two thousand, two hundred fifty-six".