1674542 has 4 divisors (see below), whose sum is σ = 2511816. Its totient is φ = 837270.

The previous prime is 1674539. The next prime is 1674557. The reversal of 1674542 is 2454761.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418634 + ... + 418637.

It is an arithmetic number, because the mean of its divisors is an integer number (627954).

2^1674542 is an apocalyptic number.

1674542 is a deficient number, since it is larger than the sum of its proper divisors (837274).

1674542 is an equidigital number, since it uses as much as digits as its factorization.

1674542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837273.

The product of its digits is 6720, while the sum is 29.

The square root of 1674542 is about 1294.0409576207. The cubic root of 1674542 is about 118.7495615866.

The spelling of 1674542 in words is "one million, six hundred seventy-four thousand, five hundred forty-two".