73921740740 has 24 divisors (see below), whose sum is σ = 157866770880. Its totient is φ = 29067531488.

The previous prime is 73921740719. The next prime is 73921740743. The reversal of 73921740740 is 4704712937.

It is a junction number, because it is equal to n+sod(n) for n = 73921740691 and 73921740700.

It is not an unprimeable number, because it can be changed into a prime (73921740743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31321592 + ... + 31323951.

It is an arithmetic number, because the mean of its divisors is an integer number (6577782120).

Almost surely, 2^73921740740 is an apocalyptic number.

It is an amenable number.

73921740740 is an abundant number, since it is smaller than the sum of its proper divisors (83945030140).

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

73921740740 is a wasteful number, since it uses less digits than its factorization.

73921740740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62645611 (or 62645609 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 73921740740 in words is "seventy-three billion, nine hundred twenty-one million, seven hundred forty thousand, seven hundred forty".