71133004037 has 4 divisors (see below), whose sum is σ = 72646472256. Its totient is φ = 69619535820.

The previous prime is 71133004031. The next prime is 71133004073. The reversal of 71133004037 is 73040033117.

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 71133004037 - 2⁴ = 71133004021 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 (71133004031) 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, 756734039 + ... + 756734132.

It is an arithmetic number, because the mean of its divisors is an integer number (18161618064).

Almost surely, 2^71133004037 is an apocalyptic number.

It is an amenable number.

71133004037 is a deficient number, since it is larger than the sum of its proper divisors (1513468219).

71133004037 is a wasteful number, since it uses less digits than its factorization.

71133004037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513468218.

The product of its (nonzero) digits is 5292, while the sum is 29.

The spelling of 71133004037 in words is "seventy-one billion, one hundred thirty-three million, four thousand, thirty-seven".