73152025137 has 12 divisors (see below), whose sum is σ = 105746667520. Its totient is φ = 48729879288.

The previous prime is 73152025129. The next prime is 73152025139.

It is a happy number.

73152025137 is a `hidden beast` number, since 7 + 315 + 202 + 5 + 137 = 666.

73152025137 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 73152025137 - 2³ = 73152025129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73152025139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3165973 + ... + 3188994.

Almost surely, 2^73152025137 is an apocalyptic number.

It is an amenable number.

73152025137 is a deficient number, since it is larger than the sum of its proper divisors (32594642383).

73152025137 is a wasteful number, since it uses less digits than its factorization.

73152025137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356252 (or 6356249 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

It can be divided in two parts, 731520 and 25137, that added together give a palindrome (756657).

The spelling of 73152025137 in words is "seventy-three billion, one hundred fifty-two million, twenty-five thousand, one hundred thirty-seven".