74729193 has 32 divisors (see below), whose sum is σ = 125494272. Its totient is φ = 38424000.

The previous prime is 74729191. The next prime is 74729197. The reversal of 74729193 is 39192747.

It is not a de Polignac number, because 74729193 - 2¹ = 74729191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74729191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21730 + ... + 24932.

It is an arithmetic number, because the mean of its divisors is an integer number (3921696).

Almost surely, 2^74729193 is an apocalyptic number.

It is an amenable number.

74729193 is a deficient number, since it is larger than the sum of its proper divisors (50765079).

74729193 is a wasteful number, since it uses less digits than its factorization.

74729193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its digits is 95256, while the sum is 42.

The square root of 74729193 is about 8644.6048492687. The cubic root of 74729193 is about 421.2081483603.

The spelling of 74729193 in words is "seventy-four million, seven hundred twenty-nine thousand, one hundred ninety-three".