1672685 has 8 divisors (see below), whose sum is σ = 2294016. Its totient is φ = 1146960.

The previous prime is 1672663. The next prime is 1672747. The reversal of 1672685 is 5862761.

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

It is not a de Polignac number, because 1672685 - 2¹⁴ = 1656301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 47791 = 1672685 / (1 + 6 + 7 + 2 + 6 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23861 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (286752).

2^1672685 is an apocalyptic number.

It is an amenable number.

1672685 is a deficient number, since it is larger than the sum of its proper divisors (621331).

1672685 is an equidigital number, since it uses as much as digits as its factorization.

1672685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47803.

The product of its digits is 20160, while the sum is 35.

The square root of 1672685 is about 1293.3232387922. The cubic root of 1672685 is about 118.7056491812.

The spelling of 1672685 in words is "one million, six hundred seventy-two thousand, six hundred eighty-five".