74856043 has 2 divisors, whose sum is σ = 74856044. Its totient is φ = 74856042.

The previous prime is 74856013. The next prime is 74856079. The reversal of 74856043 is 34065847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74856043 - 2⁵ = 74856011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74855993 and 74856011.

It is not a weakly prime, because it can be changed into another prime (74856013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37428021 + 37428022.

It is an arithmetic number, because the mean of its divisors is an integer number (37428022).

Almost surely, 2^74856043 is an apocalyptic number.

74856043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74856043 is an equidigital number, since it uses as much as digits as its factorization.

74856043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 74856043 is about 8651.9386844799. The cubic root of 74856043 is about 421.4463419765.

The spelling of 74856043 in words is "seventy-four million, eight hundred fifty-six thousand, forty-three".