74812009229 has 4 divisors (see below), whose sum is σ = 74818038876. Its totient is φ = 74805979584.

The previous prime is 74812009213. The next prime is 74812009231. The reversal of 74812009229 is 92290021847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50872802500 + 23939206729 = 225550^2 + 154723^2 .

It is a cyclic number.

It is not a de Polignac number, because 74812009229 - 2⁴ = 74812009213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74812009229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74812002229) by changing a digit.

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, 2996174 + ... + 3021039.

It is an arithmetic number, because the mean of its divisors is an integer number (18704509719).

Almost surely, 2^74812009229 is an apocalyptic number.

It is an amenable number.

74812009229 is a deficient number, since it is larger than the sum of its proper divisors (6029647).

74812009229 is a wasteful number, since it uses less digits than its factorization.

74812009229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029646.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 74812009229 in words is "seventy-four billion, eight hundred twelve million, nine thousand, two hundred twenty-nine".