71849742070 has 16 divisors (see below), whose sum is σ = 131259828528. Its totient is φ = 28310942880.

The previous prime is 71849742031. The next prime is 71849742073. The reversal of 71849742070 is 7024794817.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71849742073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53618541 + ... + 53619880.

It is an arithmetic number, because the mean of its divisors is an integer number (8203739283).

Almost surely, 2^71849742070 is an apocalyptic number.

71849742070 is a deficient number, since it is larger than the sum of its proper divisors (59410086458).

71849742070 is a wasteful number, since it uses less digits than its factorization.

71849742070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107238495.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 71849742070 in words is "seventy-one billion, eight hundred forty-nine million, seven hundred forty-two thousand, seventy".