70670733771 has 24 divisors (see below), whose sum is σ = 103588273600. Its totient is φ = 42824239920.

The previous prime is 70670733767. The next prime is 70670733781. The reversal of 70670733771 is 17733707607.

It is not a de Polignac number, because 70670733771 - 2² = 70670733767 is a prime.

It is a super-2 number, since 2×70670733771² (a number of 22 digits) contains 22 as substring.

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 70670733771.

It is not an unprimeable number, because it can be changed into a prime (70670733701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3577680 + ... + 3597378.

Almost surely, 2^70670733771 is an apocalyptic number.

70670733771 is a deficient number, since it is larger than the sum of its proper divisors (32917539829).

70670733771 is a wasteful number, since it uses less digits than its factorization.

70670733771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29607 (or 29596 counting only the distinct ones).

The product of its (nonzero) digits is 907578, while the sum is 48.

The spelling of 70670733771 in words is "seventy billion, six hundred seventy million, seven hundred thirty-three thousand, seven hundred seventy-one".