1772065 has 8 divisors (see below), whose sum is σ = 2162880. Its totient is φ = 1393392.

The previous prime is 1772047. The next prime is 1772077. The reversal of 1772065 is 5602771.

1772065 = T₂₁₅ + T₂₁₆ + ... + T₂₇₃.

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

It is a cyclic number.

It is not a de Polignac number, because 1772065 - 2⁵ = 1772033 is a prime.

1772065 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (270360).

2^1772065 is an apocalyptic number.

It is an amenable number.

1772065 is a deficient number, since it is larger than the sum of its proper divisors (390815).

1772065 is an equidigital number, since it uses as much as digits as its factorization.

1772065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1772065 is about 1331.1893178658. The cubic root of 1772065 is about 121.0114735381.

The spelling of 1772065 in words is "one million, seven hundred seventy-two thousand, sixty-five".