1672842 has 8 divisors (see below), whose sum is σ = 3345696. Its totient is φ = 557612.

The previous prime is 1672799. The next prime is 1672849. The reversal of 1672842 is 2482761.

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

1672842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1672849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139398 + ... + 139409.

It is an arithmetic number, because the mean of its divisors is an integer number (418212).

2^1672842 is an apocalyptic number.

1672842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672842 is a wasteful number, since it uses less digits than its factorization.

1672842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278812.

The product of its digits is 5376, while the sum is 30.

The square root of 1672842 is about 1293.3839337181. The cubic root of 1672842 is about 118.7093630113.

The spelling of 1672842 in words is "one million, six hundred seventy-two thousand, eight hundred forty-two".