1672879 has 4 divisors (see below), whose sum is σ = 1801576. Its totient is φ = 1544184.

The previous prime is 1672873. The next prime is 1672889. The reversal of 1672879 is 9782761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672879 - 2⁷ = 1672751 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 (1672873) 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, 64329 + ... + 64354.

It is an arithmetic number, because the mean of its divisors is an integer number (450394).

2^1672879 is an apocalyptic number.

1672879 is a deficient number, since it is larger than the sum of its proper divisors (128697).

1672879 is a wasteful number, since it uses less digits than its factorization.

1672879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128696.

The product of its digits is 42336, while the sum is 40.

The square root of 1672879 is about 1293.3982372031. The cubic root of 1672879 is about 118.7102382113.

It can be divided in two parts, 16728 and 79, that added together give a 5-th power (16807 = 7⁵).

The spelling of 1672879 in words is "one million, six hundred seventy-two thousand, eight hundred seventy-nine".