1672345203 has 32 divisors (see below), whose sum is σ = 2395656192. Its totient is φ = 1034985600.

The previous prime is 1672345177. The next prime is 1672345217. The reversal of 1672345203 is 3025432761.

It is not a de Polignac number, because 1672345203 - 2⁶ = 1672345139 is a prime.

It is a super-2 number, since 2×1672345203² = 5593476955994222418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1672345223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1687038 + ... + 1688028.

It is an arithmetic number, because the mean of its divisors is an integer number (74864256).

Almost surely, 2^1672345203 is an apocalyptic number.

1672345203 is a deficient number, since it is larger than the sum of its proper divisors (723310989).

1672345203 is a wasteful number, since it uses less digits than its factorization.

1672345203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1672345203 is about 40894.3174903311. The cubic root of 1672345203 is about 1186.9761049786.

Adding to 1672345203 its reverse (3025432761), we get a palindrome (4697777964).

The spelling of 1672345203 in words is "one billion, six hundred seventy-two million, three hundred forty-five thousand, two hundred three".