74354669493 has 32 divisors (see below), whose sum is σ = 107380183680. Its totient is φ = 45494016000.

The previous prime is 74354669447. The next prime is 74354669527. The reversal of 74354669493 is 39496645347.

It is not a de Polignac number, because 74354669493 - 2⁶ = 74354669429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74354669593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5798473 + ... + 5811281.

It is an arithmetic number, because the mean of its divisors is an integer number (3355630740).

Almost surely, 2^74354669493 is an apocalyptic number.

It is an amenable number.

74354669493 is a deficient number, since it is larger than the sum of its proper divisors (33025514187).

74354669493 is a wasteful number, since it uses less digits than its factorization.

74354669493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13669.

The product of its digits is 58786560, while the sum is 60.

The spelling of 74354669493 in words is "seventy-four billion, three hundred fifty-four million, six hundred sixty-nine thousand, four hundred ninety-three".