73666602286072 has 32 divisors (see below), whose sum is σ = 139477684320000. Its totient is φ = 36474275084128.

The previous prime is 73666602286051. The next prime is 73666602286103. The reversal of 73666602286072 is 27068220666637.

It is a self number, because there is not a number n which added to its sum of digits gives 73666602286072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107279422 + ... + 107963917.

It is an arithmetic number, because the mean of its divisors is an integer number (4358677635000).

Almost surely, 2^{73666602286072} is an apocalyptic number.

It is an amenable number.

73666602286072 is a deficient number, since it is larger than the sum of its proper divisors (65811082033928).

73666602286072 is a wasteful number, since it uses less digits than its factorization.

73666602286072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215243763 (or 215243759 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 61.

The spelling of 73666602286072 in words is "seventy-three trillion, six hundred sixty-six billion, six hundred two million, two hundred eighty-six thousand, seventy-two".