71429780304 has 30 divisors (see below), whose sum is σ = 199904177226. Its totient is φ = 23809926720.

The previous prime is 71429780297. The next prime is 71429780309. The reversal of 71429780304 is 40308792417.

It can be written as a sum of positive squares in only one way, i.e., 71263370304 + 166410000 = 266952^2 + 12900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71429780304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71429780309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248019927 + ... + 248020214.

Almost surely, 2^71429780304 is an apocalyptic number.

It is an amenable number.

71429780304 is an abundant number, since it is smaller than the sum of its proper divisors (128474396922).

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

71429780304 is a wasteful number, since it uses less digits than its factorization.

71429780304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496040155 (or 496040146 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 71429780304 in words is "seventy-one billion, four hundred twenty-nine million, seven hundred eighty thousand, three hundred four".