73610538145 has 8 divisors (see below), whose sum is σ = 88416858600. Its totient is φ = 58832288640.

The previous prime is 73610538137. The next prime is 73610538179. The reversal of 73610538145 is 54183501637.

It can be written as a sum of positive squares in 4 ways, for example, as 31442737041 + 42167801104 = 177321^2 + 205348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73610538145 - 2³ = 73610538137 is a prime.

It is a super-2 number, since 2×73610538145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011966 + ... + 7022455.

It is an arithmetic number, because the mean of its divisors is an integer number (11052107325).

Almost surely, 2^73610538145 is an apocalyptic number.

It is an amenable number.

73610538145 is a deficient number, since it is larger than the sum of its proper divisors (14806320455).

73610538145 is a wasteful number, since it uses less digits than its factorization.

73610538145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035475.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 73610538145 in words is "seventy-three billion, six hundred ten million, five hundred thirty-eight thousand, one hundred forty-five".