71934977225620 has 12 divisors (see below), whose sum is σ = 151063452173844. Its totient is φ = 28773990890240.

The previous prime is 71934977225569. The next prime is 71934977225623. The reversal of 71934977225620 is 2652277943917.

It can be written as a sum of positive squares in 2 ways, for example, as 20885009680144 + 51049967545476 = 4570012^2 + 7144926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71934977225623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798374430621 + ... + 1798374430660.

It is an arithmetic number, because the mean of its divisors is an integer number (12588621014487).

Almost surely, 2^{71934977225620} is an apocalyptic number.

It is an amenable number.

71934977225620 is an abundant number, since it is smaller than the sum of its proper divisors (79128474948224).

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

71934977225620 is a wasteful number, since it uses less digits than its factorization.

71934977225620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596748861290 (or 3596748861288 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 71934977225620 in words is "seventy-one trillion, nine hundred thirty-four billion, nine hundred seventy-seven million, two hundred twenty-five thousand, six hundred twenty".