1772973 has 12 divisors (see below), whose sum is σ = 2649660. Its totient is φ = 1141056.

The previous prime is 1772971. The next prime is 1772987. The reversal of 1772973 is 3792771.

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 1258884 = 717^2 + 1122^2 .

It is not a de Polignac number, because 1772973 - 2¹ = 1772971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772971) 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, 3136 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (220805).

2^1772973 is an apocalyptic number.

It is an amenable number.

1772973 is a deficient number, since it is larger than the sum of its proper divisors (876687).

1772973 is a wasteful number, since it uses less digits than its factorization.

1772973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828 (or 6825 counting only the distinct ones).

The product of its digits is 18522, while the sum is 36.

The square root of 1772973 is about 1331.5303225988. The cubic root of 1772973 is about 121.0321386296.

The spelling of 1772973 in words is "one million, seven hundred seventy-two thousand, nine hundred seventy-three".