1672450117 has 8 divisors (see below), whose sum is σ = 1804564440. Its totient is φ = 1540830720.

The previous prime is 1672450081. The next prime is 1672450121. The reversal of 1672450117 is 7110542761.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 1670683876 = 1329^2 + 40874^2 .

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

It is not a de Polignac number, because 1672450117 - 2¹¹ = 1672448069 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 (1672450177) 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, 116692 + ... + 130237.

It is an arithmetic number, because the mean of its divisors is an integer number (225570555).

Almost surely, 2^1672450117 is an apocalyptic number.

It is an amenable number.

1672450117 is a deficient number, since it is larger than the sum of its proper divisors (132114323).

1672450117 is a wasteful number, since it uses less digits than its factorization.

1672450117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247463.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 1672450117 is about 40895.6002156711. The cubic root of 1672450117 is about 1187.0009259719. Note that the first 3 decimals are identical.

Adding to 1672450117 its reverse (7110542761), we get a palindrome (8782992878).

The spelling of 1672450117 in words is "one billion, six hundred seventy-two million, four hundred fifty thousand, one hundred seventeen".