74934539 has 2 divisors, whose sum is σ = 74934540. Its totient is φ = 74934538.

The previous prime is 74934491. The next prime is 74934553. The reversal of 74934539 is 93543947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74934539 - 2²⁰ = 73885963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74934539.

It is not a weakly prime, because it can be changed into another prime (74934569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37467269 + 37467270.

It is an arithmetic number, because the mean of its divisors is an integer number (37467270).

Almost surely, 2^74934539 is an apocalyptic number.

74934539 is a deficient number, since it is larger than the sum of its proper divisors (1).

74934539 is an equidigital number, since it uses as much as digits as its factorization.

74934539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 74934539 is about 8656.4738202111. The cubic root of 74934539 is about 421.5936037248.

The spelling of 74934539 in words is "seventy-four million, nine hundred thirty-four thousand, five hundred thirty-nine".