1672867 has 8 divisors (see below), whose sum is σ = 1920096. Its totient is φ = 1427712.

The previous prime is 1672861. The next prime is 1672873. The reversal of 1672867 is 7682761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1672861) and next prime (1672873).

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

It is a cyclic number.

It is not a de Polignac number, because 1672867 - 2¹¹ = 1670819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672861) 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, 2133 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (240012).

2^1672867 is an apocalyptic number.

1672867 is a deficient number, since it is larger than the sum of its proper divisors (247229).

1672867 is an equidigital number, since it uses as much as digits as its factorization.

1672867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 28224, while the sum is 37.

The square root of 1672867 is about 1293.3935982523. The cubic root of 1672867 is about 118.7099543641.

The spelling of 1672867 in words is "one million, six hundred seventy-two thousand, eight hundred sixty-seven".