74017111309 has 4 divisors (see below), whose sum is σ = 74020674204. Its totient is φ = 74013548416.

The previous prime is 74017111297. The next prime is 74017111339. The reversal of 74017111309 is 90311171047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90311171047 = 8623 ⋅10473289.

It can be written as a sum of positive squares in 2 ways, for example, as 17633184100 + 56383927209 = 132790^2 + 237453^2 .

It is a cyclic number.

It is not a de Polignac number, because 74017111309 - 2¹¹ = 74017109261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74017111339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750102 + ... + 1791895.

It is an arithmetic number, because the mean of its divisors is an integer number (18505168551).

Almost surely, 2^74017111309 is an apocalyptic number.

It is an amenable number.

74017111309 is a deficient number, since it is larger than the sum of its proper divisors (3562895).

74017111309 is a wasteful number, since it uses less digits than its factorization.

74017111309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562894.

The product of its (nonzero) digits is 5292, while the sum is 34.

The spelling of 74017111309 in words is "seventy-four billion, seventeen million, one hundred eleven thousand, three hundred nine".