1742146 has 24 divisors (see below), whose sum is σ = 3149820. Its totient is φ = 719712.

The previous prime is 1742101. The next prime is 1742161. The reversal of 1742146 is 6412471.

It can be written as a sum of positive squares in 2 ways, for example, as 1535121 + 207025 = 1239^2 + 455^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1742146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2536 + ... + 3148.

2^1742146 is an apocalyptic number.

1742146 is a deficient number, since it is larger than the sum of its proper divisors (1407674).

1742146 is a wasteful number, since it uses less digits than its factorization.

1742146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 651 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1742146 is about 1319.9037843722. The cubic root of 1742146 is about 120.3265641961.

The spelling of 1742146 in words is "one million, seven hundred forty-two thousand, one hundred forty-six".