71007474342 has 64 divisors (see below), whose sum is σ = 167971668480. Its totient is φ = 19579843584.

The previous prime is 71007474289. The next prime is 71007474347. The reversal of 71007474342 is 24347470017.

It is a super-2 number, since 2×71007474342² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71007474342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71007474347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3147033 + ... + 3169515.

It is an arithmetic number, because the mean of its divisors is an integer number (2624557320).

Almost surely, 2^71007474342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71007474342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83985834240).

71007474342 is an abundant number, since it is smaller than the sum of its proper divisors (96964194138).

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

71007474342 is a wasteful number, since it uses less digits than its factorization.

71007474342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25117.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 71007474342 in words is "seventy-one billion, seven million, four hundred seventy-four thousand, three hundred forty-two".