1672017117 has 8 divisors (see below), whose sum is σ = 2281201824. Its totient is φ = 1088755248.

The previous prime is 1672017089. The next prime is 1672017121. The reversal of 1672017117 is 7117102761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1672017117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672017197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6480558 + ... + 6480815.

It is an arithmetic number, because the mean of its divisors is an integer number (285150228).

Almost surely, 2^1672017117 is an apocalyptic number.

It is an amenable number.

1672017117 is a deficient number, since it is larger than the sum of its proper divisors (609184707).

1672017117 is a wasteful number, since it uses less digits than its factorization.

1672017117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961419.

The product of its (nonzero) digits is 4116, while the sum is 33.

The square root of 1672017117 is about 40890.3059049452. The cubic root of 1672017117 is about 1186.8984783197.

Adding to 1672017117 its reverse (7117102761), we get a palindrome (8789119878).

The spelling of 1672017117 in words is "one billion, six hundred seventy-two million, seventeen thousand, one hundred seventeen".