74043971 has 2 divisors, whose sum is σ = 74043972. Its totient is φ = 74043970.

The previous prime is 74043961. The next prime is 74044031. The reversal of 74043971 is 17934047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74043971 - 2²⁶ = 6935107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74043961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37021985 + 37021986.

It is an arithmetic number, because the mean of its divisors is an integer number (37021986).

Almost surely, 2^74043971 is an apocalyptic number.

74043971 is a deficient number, since it is larger than the sum of its proper divisors (1).

74043971 is an equidigital number, since it uses as much as digits as its factorization.

74043971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 74043971 is about 8604.8806499567. The cubic root of 74043971 is about 419.9167843448.

The spelling of 74043971 in words is "seventy-four million, forty-three thousand, nine hundred seventy-one".