73673656421740 has 96 divisors (see below), whose sum is σ = 156008440627200. Its totient is φ = 29224120074240.

The previous prime is 73673656421723. The next prime is 73673656421759. The reversal of 73673656421740 is 4712465637637.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7172972805 + ... + 7172983075.

It is an arithmetic number, because the mean of its divisors is an integer number (1625087923200).

Almost surely, 2^{73673656421740} is an apocalyptic number.

It is an amenable number.

73673656421740 is an abundant number, since it is smaller than the sum of its proper divisors (82334784205460).

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

73673656421740 is a wasteful number, since it uses less digits than its factorization.

73673656421740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16615 (or 16613 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 61.

The spelling of 73673656421740 in words is "seventy-three trillion, six hundred seventy-three billion, six hundred fifty-six million, four hundred twenty-one thousand, seven hundred forty".