74211447405 has 16 divisors (see below), whose sum is σ = 120684847104. Its totient is φ = 38930594880.

The previous prime is 74211447379. The next prime is 74211447419. The reversal of 74211447405 is 50474411247.

It is a happy number.

It is not a de Polignac number, because 74211447405 - 2¹⁶ = 74211381869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40551789 + ... + 40553618.

It is an arithmetic number, because the mean of its divisors is an integer number (7542802944).

Almost surely, 2^74211447405 is an apocalyptic number.

It is an amenable number.

74211447405 is a deficient number, since it is larger than the sum of its proper divisors (46473399699).

74211447405 is a wasteful number, since it uses less digits than its factorization.

74211447405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81105476.

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 74211447405 in words is "seventy-four billion, two hundred eleven million, four hundred forty-seven thousand, four hundred five".