1673487 has 8 divisors (see below), whose sum is σ = 2479280. Its totient is φ = 1115640.

The previous prime is 1673461. The next prime is 1673489. The reversal of 1673487 is 7843761.

It is not a de Polignac number, because 1673487 - 2¹² = 1669391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30964 + ... + 31017.

It is an arithmetic number, because the mean of its divisors is an integer number (309910).

2^1673487 is an apocalyptic number.

1673487 is a deficient number, since it is larger than the sum of its proper divisors (805793).

1673487 is an equidigital number, since it uses as much as digits as its factorization.

1673487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61990 (or 61984 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1673487 is about 1293.6332556022. The cubic root of 1673487 is about 118.7246180285.

The spelling of 1673487 in words is "one million, six hundred seventy-three thousand, four hundred eighty-seven".