70073406667 has 16 divisors (see below), whose sum is σ = 76997682432. Its totient is φ = 63242169120.

The previous prime is 70073406593. The next prime is 70073406691. The reversal of 70073406667 is 76660437007.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70073406667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70073407667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032858 + ... + 2067040.

It is an arithmetic number, because the mean of its divisors is an integer number (4812355152).

Almost surely, 2^70073406667 is an apocalyptic number.

70073406667 is a deficient number, since it is larger than the sum of its proper divisors (6924275765).

70073406667 is a wasteful number, since it uses less digits than its factorization.

70073406667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35538.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 70073406667 in words is "seventy billion, seventy-three million, four hundred six thousand, six hundred sixty-seven".