1772980 has 24 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 644640.

The previous prime is 1772971. The next prime is 1772987. The reversal of 1772980 is 892771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772987) 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 7 ways as a sum of consecutive naturals, for example, 3810 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

2^1772980 is an apocalyptic number.

1772980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1772980 is an abundant number, since it is smaller than the sum of its proper divisors (2289260).

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

1772980 is a wasteful number, since it uses less digits than its factorization.

1772980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079 (or 8077 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1772980 is about 1331.5329511507. The cubic root of 1772980 is about 121.0322979146.

The spelling of 1772980 in words is "one million, seven hundred seventy-two thousand, nine hundred eighty".