1672479 has 6 divisors (see below), whose sum is σ = 2415816. Its totient is φ = 1114980.

The previous prime is 1672471. The next prime is 1672487. The reversal of 1672479 is 9742761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1672471) and next prime (1672487).

It is not a de Polignac number, because 1672479 - 2³ = 1672471 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92907 + ... + 92924.

It is an arithmetic number, because the mean of its divisors is an integer number (402636).

2^1672479 is an apocalyptic number.

1672479 is a deficient number, since it is larger than the sum of its proper divisors (743337).

1672479 is a wasteful number, since it uses less digits than its factorization.

1672479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185837 (or 185834 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 1672479 is about 1293.2435965432. The cubic root of 1672479 is about 118.7007759051.

The spelling of 1672479 in words is "one million, six hundred seventy-two thousand, four hundred seventy-nine".