1672742 has 8 divisors (see below), whose sum is σ = 2550432. Its totient is φ = 822600.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672742 is 2472761.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672747) 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, 6734 + ... + 6977.

It is an arithmetic number, because the mean of its divisors is an integer number (318804).

2^1672742 is an apocalyptic number.

1672742 is a deficient number, since it is larger than the sum of its proper divisors (877690).

1672742 is a wasteful number, since it uses less digits than its factorization.

1672742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774.

The product of its digits is 4704, while the sum is 29.

The square root of 1672742 is about 1293.3452748590. The cubic root of 1672742 is about 118.7069975413.

The spelling of 1672742 in words is "one million, six hundred seventy-two thousand, seven hundred forty-two".