71449520210 has 32 divisors (see below), whose sum is σ = 130806360000. Its totient is φ = 28092173760.

The previous prime is 71449520209. The next prime is 71449520239. The reversal of 71449520210 is 1202594417.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875321 + ... + 953459.

It is an arithmetic number, because the mean of its divisors is an integer number (4087698750).

Almost surely, 2^71449520210 is an apocalyptic number.

71449520210 is a deficient number, since it is larger than the sum of its proper divisors (59356839790).

71449520210 is a wasteful number, since it uses less digits than its factorization.

71449520210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79706.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 71449520210 in words is "seventy-one billion, four hundred forty-nine million, five hundred twenty thousand, two hundred ten".