1772066 has 8 divisors (see below), whose sum is σ = 2681964. Its totient is φ = 878080.

The previous prime is 1772047. The next prime is 1772077. The reversal of 1772066 is 6602771.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 271441 = 1225^2 + 521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 3695 + ... + 4146.

2^1772066 is an apocalyptic number.

1772066 is a deficient number, since it is larger than the sum of its proper divisors (909898).

1772066 is a wasteful number, since it uses less digits than its factorization.

1772066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1772066 is about 1331.1896934697. The cubic root of 1772066 is about 121.0114963009.

The spelling of 1772066 in words is "one million, seven hundred seventy-two thousand, sixty-six".