70047723671 has 8 divisors (see below), whose sum is σ = 71100658560. Its totient is φ = 68995007928.

The previous prime is 70047723637. The next prime is 70047723709. The reversal of 70047723671 is 17632774007.

It is a happy number.

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-70047723671 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 (70047723601) 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, 658520 + ... + 757458.

It is an arithmetic number, because the mean of its divisors is an integer number (8887582320).

Almost surely, 2^70047723671 is an apocalyptic number.

70047723671 is a deficient number, since it is larger than the sum of its proper divisors (1052934889).

70047723671 is a wasteful number, since it uses less digits than its factorization.

70047723671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109573.

The product of its (nonzero) digits is 345744, while the sum is 44.

The spelling of 70047723671 in words is "seventy billion, forty-seven million, seven hundred twenty-three thousand, six hundred seventy-one".