71647620230 has 32 divisors (see below), whose sum is σ = 130521093120. Its totient is φ = 28315284480.

The previous prime is 71647620227. The next prime is 71647620251. The reversal of 71647620230 is 3202674617.

It is a congruent number.

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, 189026 + ... + 423114.

It is an arithmetic number, because the mean of its divisors is an integer number (4078784160).

Almost surely, 2^71647620230 is an apocalyptic number.

71647620230 is a deficient number, since it is larger than the sum of its proper divisors (58873472890).

71647620230 is a wasteful number, since it uses less digits than its factorization.

71647620230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234464.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 71647620230 in words is "seventy-one billion, six hundred forty-seven million, six hundred twenty thousand, two hundred thirty".