71203379394 has 64 divisors (see below), whose sum is σ = 172538553600. Its totient is φ = 19123304448.

The previous prime is 71203379381. The next prime is 71203379413. The reversal of 71203379394 is 49397330217.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515992 + ... + 639260.

It is an arithmetic number, because the mean of its divisors is an integer number (2695914900).

Almost surely, 2^71203379394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71203379394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86269276800).

71203379394 is an abundant number, since it is smaller than the sum of its proper divisors (101335174206).

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

71203379394 is a wasteful number, since it uses less digits than its factorization.

71203379394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124107.

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 71203379394 in words is "seventy-one billion, two hundred three million, three hundred seventy-nine thousand, three hundred ninety-four".