73070047231 has 4 divisors (see below), whose sum is σ = 73507592592. Its totient is φ = 72632501872.

The previous prime is 73070047201. The next prime is 73070047283. The reversal of 73070047231 is 13274007037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13274007037 = 653 ⋅20327729.

It is a cyclic number.

It is not a de Polignac number, because 73070047231 - 2⁵ = 73070047199 is a prime.

It is a super-2 number, since 2×73070047231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73070047201) 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, 218772430 + ... + 218772763.

It is an arithmetic number, because the mean of its divisors is an integer number (18376898148).

Almost surely, 2^73070047231 is an apocalyptic number.

73070047231 is a deficient number, since it is larger than the sum of its proper divisors (437545361).

73070047231 is a wasteful number, since it uses less digits than its factorization.

73070047231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437545360.

The product of its (nonzero) digits is 24696, while the sum is 34.

The spelling of 73070047231 in words is "seventy-three billion, seventy million, forty-seven thousand, two hundred thirty-one".