70720164607 has 4 divisors (see below), whose sum is σ = 70981124896. Its totient is φ = 70459204320.

The previous prime is 70720164569. The next prime is 70720164653. The reversal of 70720164607 is 70646102707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70720164607 - 2¹⁹ = 70719640319 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 70720164607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70720164677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130479738 + ... + 130480279.

It is an arithmetic number, because the mean of its divisors is an integer number (17745281224).

Almost surely, 2^70720164607 is an apocalyptic number.

70720164607 is a deficient number, since it is larger than the sum of its proper divisors (260960289).

70720164607 is a wasteful number, since it uses less digits than its factorization.

70720164607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260960288.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 70720164607 in words is "seventy billion, seven hundred twenty million, one hundred sixty-four thousand, six hundred seven".