73007221580 has 24 divisors (see below), whose sum is σ = 156577192128. Its totient is φ = 28581550208.

The previous prime is 73007221579. The next prime is 73007221619. The reversal of 73007221580 is 8512270037.

It is a self number, because there is not a number n which added to its sum of digits gives 73007221580.

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, 38832689 + ... + 38834568.

It is an arithmetic number, because the mean of its divisors is an integer number (6524049672).

Almost surely, 2^73007221580 is an apocalyptic number.

It is an amenable number.

73007221580 is an abundant number, since it is smaller than the sum of its proper divisors (83569970548).

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

73007221580 is a wasteful number, since it uses less digits than its factorization.

73007221580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667313 (or 77667311 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 73007221580 in words is "seventy-three billion, seven million, two hundred twenty-one thousand, five hundred eighty".