73725415145 has 8 divisors (see below), whose sum is σ = 88650685440. Its totient is φ = 58860207280.

The previous prime is 73725415123. The next prime is 73725415147. The reversal of 73725415145 is 54151452737.

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

It is not a de Polignac number, because 73725415145 - 2¹⁰ = 73725414121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73725415096 and 73725415105.

It is not an unprimeable number, because it can be changed into a prime (73725415147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15012905 + ... + 15017814.

It is an arithmetic number, because the mean of its divisors is an integer number (11081335680).

Almost surely, 2^73725415145 is an apocalyptic number.

It is an amenable number.

73725415145 is a deficient number, since it is larger than the sum of its proper divisors (14925270295).

73725415145 is a wasteful number, since it uses less digits than its factorization.

73725415145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30031215.

The product of its digits is 588000, while the sum is 44.

The spelling of 73725415145 in words is "seventy-three billion, seven hundred twenty-five million, four hundred fifteen thousand, one hundred forty-five".