1673642 has 4 divisors (see below), whose sum is σ = 2510466. Its totient is φ = 836820.

The previous prime is 1673629. The next prime is 1673663. The reversal of 1673642 is 2463761.

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

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 83521 = 1261^2 + 289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418409 + ... + 418412.

2^1673642 is an apocalyptic number.

1673642 is a deficient number, since it is larger than the sum of its proper divisors (836824).

1673642 is an equidigital number, since it uses as much as digits as its factorization.

1673642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836823.

The product of its digits is 6048, while the sum is 29.

The square root of 1673642 is about 1293.6931630027. The cubic root of 1673642 is about 118.7282833787.

The spelling of 1673642 in words is "one million, six hundred seventy-three thousand, six hundred forty-two".