1672217703 has 20 divisors (see below), whose sum is σ = 2690160088. Its totient is φ = 1029056400.

The previous prime is 1672217693. The next prime is 1672217741. The reversal of 1672217703 is 3077122761.

It is not a de Polignac number, because 1672217703 - 2⁸ = 1672217447 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 (1672217003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 792973 + ... + 795078.

Almost surely, 2^1672217703 is an apocalyptic number.

1672217703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1672217703 is a deficient number, since it is larger than the sum of its proper divisors (1017942385).

1672217703 is a wasteful number, since it uses less digits than its factorization.

1672217703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588076 (or 1588067 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 1672217703 is about 40892.7585643229. The cubic root of 1672217703 is about 1186.9459390975.

The spelling of 1672217703 in words is "one billion, six hundred seventy-two million, two hundred seventeen thousand, seven hundred three".