73200215407557 has 96 divisors (see below), whose sum is σ = 116320219112448. Its totient is φ = 40815684290304.

The previous prime is 73200215407537. The next prime is 73200215407619. The reversal of 73200215407557 is 75570451200237.

It is not a de Polignac number, because 73200215407557 - 2¹⁰ = 73200215406533 is a prime.

It is a super-2 number, since 2×73200215407557² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73200215407537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 630071088 + ... + 630187254.

It is an arithmetic number, because the mean of its divisors is an integer number (1211668949088).

Almost surely, 2^{73200215407557} is an apocalyptic number.

It is an amenable number.

73200215407557 is a deficient number, since it is larger than the sum of its proper divisors (43120003704891).

73200215407557 is a wasteful number, since it uses less digits than its factorization.

73200215407557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116855 (or 116848 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 48.

The spelling of 73200215407557 in words is "seventy-three trillion, two hundred billion, two hundred fifteen million, four hundred seven thousand, five hundred fifty-seven".