1672375845 has 32 divisors (see below), whose sum is σ = 3067361280. Its totient is φ = 762189120.

The previous prime is 1672375813. The next prime is 1672375849. The reversal of 1672375845 is 5485732761.

It is not a de Polignac number, because 1672375845 - 2⁵ = 1672375813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672375794 and 1672375803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672375849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10696 + ... + 58814.

It is an arithmetic number, because the mean of its divisors is an integer number (95855040).

Almost surely, 2^1672375845 is an apocalyptic number.

1672375845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672375845 is a deficient number, since it is larger than the sum of its proper divisors (1394985435).

1672375845 is a wasteful number, since it uses less digits than its factorization.

1672375845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48465.

The product of its digits is 1411200, while the sum is 48.

The square root of 1672375845 is about 40894.6921372444. The cubic root of 1672375845 is about 1186.9833544985.

The spelling of 1672375845 in words is "one billion, six hundred seventy-two million, three hundred seventy-five thousand, eight hundred forty-five".