74558605345 has 8 divisors (see below), whose sum is σ = 102251801664. Its totient is φ = 51125900784.

The previous prime is 74558605327. The next prime is 74558605349. The reversal of 74558605345 is 54350685547.

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

It is not a de Polignac number, because 74558605345 - 2¹⁷ = 74558474273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74558605292 and 74558605301.

It is not an unprimeable number, because it can be changed into a prime (74558605349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065122899 + ... + 1065122968.

It is an arithmetic number, because the mean of its divisors is an integer number (12781475208).

Almost surely, 2^74558605345 is an apocalyptic number.

It is an amenable number.

74558605345 is a deficient number, since it is larger than the sum of its proper divisors (27693196319).

74558605345 is a wasteful number, since it uses less digits than its factorization.

74558605345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130245879.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 74558605345 in words is "seventy-four billion, five hundred fifty-eight million, six hundred five thousand, three hundred forty-five".