71074646418 has 128 divisors (see below), whose sum is σ = 155915020800. Its totient is φ = 21514752000.

The previous prime is 71074646411. The next prime is 71074646431. The reversal of 71074646418 is 81464647017.

It is not an unprimeable number, because it can be changed into a prime (71074646411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154174708 + ... + 154175168.

It is an arithmetic number, because the mean of its divisors is an integer number (1218086100).

Almost surely, 2^71074646418 is an apocalyptic number.

71074646418 is an abundant number, since it is smaller than the sum of its proper divisors (84840374382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71074646418 is a wasteful number, since it uses less digits than its factorization.

71074646418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 71074646418 in words is "seventy-one billion, seventy-four million, six hundred forty-six thousand, four hundred eighteen".