70345206137 has 8 divisors (see below), whose sum is σ = 70691398656. Its totient is φ = 69999854112.

The previous prime is 70345206097. The next prime is 70345206163. The reversal of 70345206137 is 73160254307.

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 70345206137 - 2⁸ = 70345205881 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 70345206137.

It is not an unprimeable number, because it can be changed into a prime (70344206137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41993 + ... + 377430.

It is an arithmetic number, because the mean of its divisors is an integer number (8836424832).

Almost surely, 2^70345206137 is an apocalyptic number.

It is an amenable number.

70345206137 is a deficient number, since it is larger than the sum of its proper divisors (346192519).

70345206137 is a wasteful number, since it uses less digits than its factorization.

70345206137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420247.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 70345206137 in words is "seventy billion, three hundred forty-five million, two hundred six thousand, one hundred thirty-seven".