1672279 has 4 divisors (see below), whose sum is σ = 1911184. Its totient is φ = 1433376.

The previous prime is 1672271. The next prime is 1672301. The reversal of 1672279 is 9722761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9722761 = 193 ⋅50377.

It is not a de Polignac number, because 1672279 - 2³ = 1672271 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 (1672271) 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, 119442 + ... + 119455.

It is an arithmetic number, because the mean of its divisors is an integer number (477796).

2^1672279 is an apocalyptic number.

1672279 is a deficient number, since it is larger than the sum of its proper divisors (238905).

1672279 is an equidigital number, since it uses as much as digits as its factorization.

1672279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238904.

The product of its digits is 10584, while the sum is 34.

The square root of 1672279 is about 1293.1662692786. The cubic root of 1672279 is about 118.6960441862.

The spelling of 1672279 in words is "one million, six hundred seventy-two thousand, two hundred seventy-nine".