70740733351918 has 16 divisors (see below), whose sum is σ = 124547391539424. Its totient is φ = 29498066416800.

The previous prime is 70740733351909. The next prime is 70740733351949. The reversal of 70740733351918 is 81915333704707.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68282560633 + ... + 68282561668.

It is an arithmetic number, because the mean of its divisors is an integer number (7784211971214).

Almost surely, 2^{70740733351918} is an apocalyptic number.

70740733351918 is a deficient number, since it is larger than the sum of its proper divisors (53806658187506).

70740733351918 is a wasteful number, since it uses less digits than its factorization.

70740733351918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136565122347.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 70740733351918 in words is "seventy trillion, seven hundred forty billion, seven hundred thirty-three million, three hundred fifty-one thousand, nine hundred eighteen".