74712843 has 12 divisors (see below), whose sum is σ = 108582760. Its totient is φ = 49502016.

The previous prime is 74712829. The next prime is 74712863. The reversal of 74712843 is 34821747.

It is a happy number.

It is not a de Polignac number, because 74712843 - 2⁵ = 74712811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74712798 and 74712807.

It is not an unprimeable number, because it can be changed into a prime (74712823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23998 + ... + 26931.

Almost surely, 2^74712843 is an apocalyptic number.

74712843 is a deficient number, since it is larger than the sum of its proper divisors (33869917).

74712843 is a wasteful number, since it uses less digits than its factorization.

74712843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51098 (or 51095 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 74712843 is about 8643.6591209973. The cubic root of 74712843 is about 421.1774274097.

The spelling of 74712843 in words is "seventy-four million, seven hundred twelve thousand, eight hundred forty-three".