1671373 has 12 divisors (see below), whose sum is σ = 1936480. Its totient is φ = 1437480.

The previous prime is 1671359. The next prime is 1671379. The reversal of 1671373 is 3731761.

1671373 = T₁₀₂ + T₁₀₃ + ... + T₂₂₂.

It is a de Polignac number, because none of the positive numbers 2^k-1671373 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1936 + ... + 2662.

2^1671373 is an apocalyptic number.

It is an amenable number.

1671373 is a deficient number, since it is larger than the sum of its proper divisors (265107).

1671373 is a wasteful number, since it uses less digits than its factorization.

1671373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 757 counting only the distinct ones).

The product of its digits is 2646, while the sum is 28.

The square root of 1671373 is about 1292.8159188376. The cubic root of 1671373 is about 118.6746047727.

It can be divided in two parts, 167 and 1373, that added together give a triangular number (1540 = T₅₅).

The spelling of 1671373 in words is "one million, six hundred seventy-one thousand, three hundred seventy-three".