71070003739 has 4 divisors (see below), whose sum is σ = 81222861424. Its totient is φ = 60917146056.

The previous prime is 71070003689. The next prime is 71070003793. The reversal of 71070003739 is 93730007017.

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 71070003739 - 2⁹ = 71070003227 is a prime.

It is a super-2 number, since 2×71070003739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71070003698 and 71070003707.

It is not an unprimeable number, because it can be changed into a prime (71070003439) 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, 5076428832 + ... + 5076428845.

It is an arithmetic number, because the mean of its divisors is an integer number (20305715356).

Almost surely, 2^71070003739 is an apocalyptic number.

71070003739 is a deficient number, since it is larger than the sum of its proper divisors (10152857685).

71070003739 is a wasteful number, since it uses less digits than its factorization.

71070003739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152857684.

The product of its (nonzero) digits is 27783, while the sum is 37.

The spelling of 71070003739 in words is "seventy-one billion, seventy million, three thousand, seven hundred thirty-nine".