1670074117 has 8 divisors (see below), whose sum is σ = 1683275040. Its totient is φ = 1656916560.

The previous prime is 1670074111. The next prime is 1670074139. The reversal of 1670074117 is 7114700761.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670074117 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 (1670074111) 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, 68767 + ... + 89827.

It is an arithmetic number, because the mean of its divisors is an integer number (210409380).

Almost surely, 2^1670074117 is an apocalyptic number.

It is an amenable number.

1670074117 is a deficient number, since it is larger than the sum of its proper divisors (13200923).

1670074117 is a wasteful number, since it uses less digits than its factorization.

1670074117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 1670074117 is about 40866.5403111152. The cubic root of 1670074117 is about 1186.4385472985.

Adding to 1670074117 its reverse (7114700761), we get a palindrome (8784774878).

The spelling of 1670074117 in words is "one billion, six hundred seventy million, seventy-four thousand, one hundred seventeen".