73721700057 has 8 divisors (see below), whose sum is σ = 99214250976. Its totient is φ = 48688474592.

The previous prime is 73721699993. The next prime is 73721700109. The reversal of 73721700057 is 75000712737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73721700057 - 2⁶ = 73721699993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73721699988 and 73721700024.

It is not an unprimeable number, because it can be changed into a prime (73721700757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114830988 + ... + 114831629.

It is an arithmetic number, because the mean of its divisors is an integer number (12401781372).

Almost surely, 2^73721700057 is an apocalyptic number.

It is an amenable number.

73721700057 is a deficient number, since it is larger than the sum of its proper divisors (25492550919).

73721700057 is a wasteful number, since it uses less digits than its factorization.

73721700057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229662727.

The product of its (nonzero) digits is 72030, while the sum is 39.

The spelling of 73721700057 in words is "seventy-three billion, seven hundred twenty-one million, seven hundred thousand, fifty-seven".