74470943 has 2 divisors, whose sum is σ = 74470944. Its totient is φ = 74470942.

The previous prime is 74470939. The next prime is 74470961. The reversal of 74470943 is 34907447.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74470943 - 2² = 74470939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74470897 and 74470906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74470933) 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 as a sum of consecutive naturals, namely, 37235471 + 37235472.

It is an arithmetic number, because the mean of its divisors is an integer number (37235472).

Almost surely, 2^74470943 is an apocalyptic number.

74470943 is a deficient number, since it is larger than the sum of its proper divisors (1).

74470943 is an equidigital number, since it uses as much as digits as its factorization.

74470943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 74470943 is about 8629.6548598423. The cubic root of 74470943 is about 420.7223830463.

The spelling of 74470943 in words is "seventy-four million, four hundred seventy thousand, nine hundred forty-three".