73436722725 has 12 divisors (see below), whose sum is σ = 121415381696. Its totient is φ = 39166252080.

The previous prime is 73436722699. The next prime is 73436722729. The reversal of 73436722725 is 52722763437.

It is not a de Polignac number, because 73436722725 - 2¹² = 73436718629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73436722729) 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 11 ways as a sum of consecutive naturals, for example, 489578077 + ... + 489578226.

Almost surely, 2^73436722725 is an apocalyptic number.

73436722725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73436722725 is a deficient number, since it is larger than the sum of its proper divisors (47978658971).

73436722725 is a wasteful number, since it uses less digits than its factorization.

73436722725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979156316 (or 979156311 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 48.

The spelling of 73436722725 in words is "seventy-three billion, four hundred thirty-six million, seven hundred twenty-two thousand, seven hundred twenty-five".