1672456117 has 8 divisors (see below), whose sum is σ = 1688975712. Its totient is φ = 1655953200.

The previous prime is 1672456103. The next prime is 1672456139. The reversal of 1672456117 is 7116542761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672456117 - 2¹⁵ = 1672423349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672456117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672454117) 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, 315267 + ... + 320527.

It is an arithmetic number, because the mean of its divisors is an integer number (211121964).

Almost surely, 2^1672456117 is an apocalyptic number.

It is an amenable number.

1672456117 is a deficient number, since it is larger than the sum of its proper divisors (16519595).

1672456117 is a wasteful number, since it uses less digits than its factorization.

1672456117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339.

The product of its digits is 70560, while the sum is 40.

The square root of 1672456117 is about 40895.6735731300. The cubic root of 1672456117 is about 1187.0023454456.

Adding to 1672456117 its reverse (7116542761), we get a palindrome (8788998878).

The spelling of 1672456117 in words is "one billion, six hundred seventy-two million, four hundred fifty-six thousand, one hundred seventeen".