34520731418 has 16 divisors (see below), whose sum is σ = 54224755776. Its totient is φ = 16451154720.

The previous prime is 34520731391. The next prime is 34520731447. The reversal of 34520731418 is 81413702543.

It is a Curzon 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, 1322396 + ... + 1348247.

It is an arithmetic number, because the mean of its divisors is an integer number (3389047236).

Almost surely, 2^34520731418 is an apocalyptic number.

34520731418 is a deficient number, since it is larger than the sum of its proper divisors (19704024358).

34520731418 is a wasteful number, since it uses less digits than its factorization.

34520731418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670949.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 34520731418 in words is "thirty-four billion, five hundred twenty million, seven hundred thirty-one thousand, four hundred eighteen".