70948972573 has 4 divisors (see below), whose sum is σ = 70994135808. Its totient is φ = 70903809340.

The previous prime is 70948972559. The next prime is 70948972657. The reversal of 70948972573 is 37527984907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70948972573 - 2²⁵ = 70915418141 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 (70948972543) 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, 22579261 + ... + 22582402.

It is an arithmetic number, because the mean of its divisors is an integer number (17748533952).

Almost surely, 2^70948972573 is an apocalyptic number.

It is an amenable number.

70948972573 is a deficient number, since it is larger than the sum of its proper divisors (45163235).

70948972573 is a wasteful number, since it uses less digits than its factorization.

70948972573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45163234.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 70948972573 in words is "seventy billion, nine hundred forty-eight million, nine hundred seventy-two thousand, five hundred seventy-three".