74570101505 has 4 divisors (see below), whose sum is σ = 89484121812. Its totient is φ = 59656081200.

The previous prime is 74570101457. The next prime is 74570101561. The reversal of 74570101505 is 50510107547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50510107547 = 19 ⋅2658426713.

It can be written as a sum of positive squares in 2 ways, for example, as 29737967809 + 44832133696 = 172447^2 + 211736^2 .

It is not a de Polignac number, because 74570101505 - 2¹⁸ = 74569839361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457010146 + ... + 7457010155.

It is an arithmetic number, because the mean of its divisors is an integer number (22371030453).

Almost surely, 2^74570101505 is an apocalyptic number.

It is an amenable number.

74570101505 is a deficient number, since it is larger than the sum of its proper divisors (14914020307).

74570101505 is a wasteful number, since it uses less digits than its factorization.

74570101505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914020306.

The product of its (nonzero) digits is 24500, while the sum is 35.

The spelling of 74570101505 in words is "seventy-four billion, five hundred seventy million, one hundred one thousand, five hundred five".