1672559 has 8 divisors (see below), whose sum is σ = 1943328. Its totient is φ = 1409760.

The previous prime is 1672553. The next prime is 1672603. The reversal of 1672559 is 9552761.

1672559 is nontrivially palindromic in base 5.

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 1672559 - 2²⁰ = 623983 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 (1672553) 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, 1532 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (242916).

2^1672559 is an apocalyptic number.

1672559 is a deficient number, since it is larger than the sum of its proper divisors (270769).

1672559 is an equidigital number, since it uses as much as digits as its factorization.

1672559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its digits is 18900, while the sum is 35.

The square root of 1672559 is about 1293.2745261544. The cubic root of 1672559 is about 118.7026684870.

The spelling of 1672559 in words is "one million, six hundred seventy-two thousand, five hundred fifty-nine".