1670056347 has 8 divisors (see below), whose sum is σ = 2226972240. Its totient is φ = 1113255680.

The previous prime is 1670056313. The next prime is 1670056351. The reversal of 1670056347 is 7436500761.

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 1670056347 - 2²⁰ = 1669007771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1670056247) 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, 14179 + ... + 59507.

It is an arithmetic number, because the mean of its divisors is an integer number (278371530).

Almost surely, 2^1670056347 is an apocalyptic number.

1670056347 is a deficient number, since it is larger than the sum of its proper divisors (556915893).

1670056347 is a wasteful number, since it uses less digits than its factorization.

1670056347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57613.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1670056347 is about 40866.3228955090. The cubic root of 1670056347 is about 1186.4343392841.

The spelling of 1670056347 in words is "one billion, six hundred seventy million, fifty-six thousand, three hundred forty-seven".