1375673 has 16 divisors (see below), whose sum is σ = 1587600. Its totient is φ = 1182720.

The previous prime is 1375669. The next prime is 1375679. The reversal of 1375673 is 3765731.

It can be written as a sum of positive squares in 8 ways, for example, as 478864 + 896809 = 692^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375673 - 2² = 1375669 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 (1375679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15413 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

2^1375673 is an apocalyptic number.

1375673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1375673 is a deficient number, since it is larger than the sum of its proper divisors (211927).

1375673 is a wasteful number, since it uses less digits than its factorization.

1375673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172.

The product of its digits is 13230, while the sum is 32.

The square root of 1375673 is about 1172.8908730142. The cubic root of 1375673 is about 111.2171438554.

It can be divided in two parts, 1375 and 673, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1375673 in words is "one million, three hundred seventy-five thousand, six hundred seventy-three".