73740600145 has 8 divisors (see below), whose sum is σ = 88491214656. Its totient is φ = 58990817136.

The previous prime is 73740600121. The next prime is 73740600149. The reversal of 73740600145 is 54100604737.

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

It is a cyclic number.

It is not a de Polignac number, because 73740600145 - 2⁵ = 73740600113 is a prime.

It is a super-2 number, since 2×73740600145² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73740600149) 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, 7524 + ... + 384106.

It is an arithmetic number, because the mean of its divisors is an integer number (11061401832).

Almost surely, 2^73740600145 is an apocalyptic number.

It is an amenable number.

73740600145 is a deficient number, since it is larger than the sum of its proper divisors (14750614511).

73740600145 is a wasteful number, since it uses less digits than its factorization.

73740600145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415751.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 73740600145 in words is "seventy-three billion, seven hundred forty million, six hundred thousand, one hundred forty-five".