74726793 has 20 divisors (see below), whose sum is σ = 116485248. Its totient is φ = 47650680.

The previous prime is 74726779. The next prime is 74726837. The reversal of 74726793 is 39762747.

It is a happy number.

It is not a de Polignac number, because 74726793 - 2⁴ = 74726777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74766793) 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 19 ways as a sum of consecutive naturals, for example, 18193 + ... + 21918.

Almost surely, 2^74726793 is an apocalyptic number.

It is an amenable number.

74726793 is a deficient number, since it is larger than the sum of its proper divisors (41758455).

74726793 is a wasteful number, since it uses less digits than its factorization.

74726793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40146 (or 40137 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 74726793 is about 8644.4660332492. The cubic root of 74726793 is about 421.2036391436.

The spelling of 74726793 in words is "seventy-four million, seven hundred twenty-six thousand, seven hundred ninety-three".