1775242 has 16 divisors (see below), whose sum is σ = 3222720. Its totient is φ = 715968.

The previous prime is 1775231. The next prime is 1775243. The reversal of 1775242 is 2425771.

It is a self number, because there is not a number n which added to its sum of digits gives 1775242.

It is not an unprimeable number, because it can be changed into a prime (1775243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492 + ... + 3967.

It is an arithmetic number, because the mean of its divisors is an integer number (201420).

2^1775242 is an apocalyptic number.

1775242 is a deficient number, since it is larger than the sum of its proper divisors (1447478).

1775242 is a wasteful number, since it uses less digits than its factorization.

1775242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485.

The product of its digits is 3920, while the sum is 28.

The square root of 1775242 is about 1332.3820773337. The cubic root of 1775242 is about 121.0837477732.

The spelling of 1775242 in words is "one million, seven hundred seventy-five thousand, two hundred forty-two".