71623522032 has 40 divisors (see below), whose sum is σ = 186061127040. Its totient is φ = 23741127360.

The previous prime is 71623522031. The next prime is 71623522049. The reversal of 71623522032 is 23022532617.

It is a junction number, because it is equal to n+sod(n) for n = 71623521984 and 71623522002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71623522031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159444 + ... + 4176627.

It is an arithmetic number, because the mean of its divisors is an integer number (4651528176).

Almost surely, 2^71623522032 is an apocalyptic number.

It is an amenable number.

71623522032 is an abundant number, since it is smaller than the sum of its proper divisors (114437605008).

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

71623522032 is a wasteful number, since it uses less digits than its factorization.

71623522032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336261 (or 8336255 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 71623522032 in words is "seventy-one billion, six hundred twenty-three million, five hundred twenty-two thousand, thirty-two".