73436887152 has 60 divisors (see below), whose sum is σ = 205544620840. Its totient is φ = 24476183424.

The previous prime is 73436887127. The next prime is 73436887157. The reversal of 73436887152 is 25178863437.

It is a happy number.

It is a super-2 number, since 2×73436887152² (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 (73436887157) 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, 1536999 + ... + 1584057.

Almost surely, 2^73436887152 is an apocalyptic number.

73436887152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73436887152 is an abundant number, since it is smaller than the sum of its proper divisors (132107733688).

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

73436887152 is a wasteful number, since it uses less digits than its factorization.

73436887152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57910 (or 57901 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 73436887152 in words is "seventy-three billion, four hundred thirty-six million, eight hundred eighty-seven thousand, one hundred fifty-two".