70067066681 has 8 divisors (see below), whose sum is σ = 72331020960. Its totient is φ = 67831952832.

The previous prime is 70067066651. The next prime is 70067066683. The reversal of 70067066681 is 18666076007.

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 70067066681 - 2⁶ = 70067066617 is a prime.

It is a super-2 number, since 2×70067066681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70067066683) 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, 7205171 + ... + 7214888.

It is an arithmetic number, because the mean of its divisors is an integer number (9041377620).

Almost surely, 2^70067066681 is an apocalyptic number.

It is an amenable number.

70067066681 is a deficient number, since it is larger than the sum of its proper divisors (2263954279).

70067066681 is a wasteful number, since it uses less digits than its factorization.

70067066681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14420215.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 70067066681 in words is "seventy billion, sixty-seven million, sixty-six thousand, six hundred eighty-one".