1942745 has 16 divisors (see below), whose sum is σ = 2723328. Its totient is φ = 1302720.

The previous prime is 1942729. The next prime is 1942747. The reversal of 1942745 is 5472491.

It is a happy number.

It is not a de Polignac number, because 1942745 - 2⁴ = 1942729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (170208).

2^1942745 is an apocalyptic number.

It is an amenable number.

1942745 is a deficient number, since it is larger than the sum of its proper divisors (780583).

1942745 is a wasteful number, since it uses less digits than its factorization.

1942745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240.

The product of its digits is 10080, while the sum is 32.

The square root of 1942745 is about 1393.8238769658. The cubic root of 1942745 is about 124.7781665523.

The spelling of 1942745 in words is "one million, nine hundred forty-two thousand, seven hundred forty-five".