71370477906 has 32 divisors (see below), whose sum is σ = 175681177728. Its totient is φ = 18822983040.

The previous prime is 71370477901. The next prime is 71370477947. The reversal of 71370477906 is 60977407317.

It is not an unprimeable number, because it can be changed into a prime (71370477901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 65357035 + ... + 65358126.

It is an arithmetic number, because the mean of its divisors is an integer number (5490036804).

Almost surely, 2^71370477906 is an apocalyptic number.

71370477906 is an abundant number, since it is smaller than the sum of its proper divisors (104310699822).

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

71370477906 is a wasteful number, since it uses less digits than its factorization.

71370477906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130715186.

The product of its (nonzero) digits is 1555848, while the sum is 51.

The spelling of 71370477906 in words is "seventy-one billion, three hundred seventy million, four hundred seventy-seven thousand, nine hundred six".