74511621213 has 8 divisors (see below), whose sum is σ = 99446906208. Its totient is φ = 49625375184.

The previous prime is 74511621209. The next prime is 74511621257. The reversal of 74511621213 is 31212611547.

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

It is not a de Polignac number, because 74511621213 - 2² = 74511621209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74511620213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12256195 + ... + 12262272.

It is an arithmetic number, because the mean of its divisors is an integer number (12430863276).

Almost surely, 2^74511621213 is an apocalyptic number.

It is an amenable number.

74511621213 is a deficient number, since it is larger than the sum of its proper divisors (24935284995).

74511621213 is a wasteful number, since it uses less digits than its factorization.

74511621213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24519483.

The product of its digits is 10080, while the sum is 33.

The spelling of 74511621213 in words is "seventy-four billion, five hundred eleven million, six hundred twenty-one thousand, two hundred thirteen".