73711897056 has 144 divisors (see below), whose sum is σ = 243139688064. Its totient is φ = 20746167552.

The previous prime is 73711897003. The next prime is 73711897067. The reversal of 73711897056 is 65079811737.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 73711896993 and 73711897011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137790 + ... + 407933.

It is an arithmetic number, because the mean of its divisors is an integer number (1688470056).

Almost surely, 2^73711897056 is an apocalyptic number.

It is an amenable number.

73711897056 is an abundant number, since it is smaller than the sum of its proper divisors (169427791008).

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

73711897056 is a wasteful number, since it uses less digits than its factorization.

73711897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545813 (or 545802 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 73711897056 in words is "seventy-three billion, seven hundred eleven million, eight hundred ninety-seven thousand, fifty-six".