73998725853 has 16 divisors (see below), whose sum is σ = 107194893120. Its totient is φ = 45134686464.

The previous prime is 73998725849. The next prime is 73998725869. The reversal of 73998725853 is 35852789937.

It is not a de Polignac number, because 73998725853 - 2² = 73998725849 is a prime.

It is a super-2 number, since 2×73998725853² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73998720853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391183 + ... + 8399996.

It is an arithmetic number, because the mean of its divisors is an integer number (6699680820).

Almost surely, 2^73998725853 is an apocalyptic number.

It is an amenable number.

73998725853 is a deficient number, since it is larger than the sum of its proper divisors (33196167267).

73998725853 is a wasteful number, since it uses less digits than its factorization.

73998725853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791308.

The product of its digits is 114307200, while the sum is 66.

The spelling of 73998725853 in words is "seventy-three billion, nine hundred ninety-eight million, seven hundred twenty-five thousand, eight hundred fifty-three".