74039089 has 2 divisors, whose sum is σ = 74039090. Its totient is φ = 74039088.

The previous prime is 74039051. The next prime is 74039107. The reversal of 74039089 is 98093047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 30913600 = 6567^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 74039089 - 2²¹ = 71941937 is a prime.

It is not a weakly prime, because it can be changed into another prime (74039989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37019544 + 37019545.

It is an arithmetic number, because the mean of its divisors is an integer number (37019545).

Almost surely, 2^74039089 is an apocalyptic number.

It is an amenable number.

74039089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74039089 is an equidigital number, since it uses as much as digits as its factorization.

74039089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 74039089 is about 8604.5969690625. The cubic root of 74039089 is about 419.9075552396.

The spelling of 74039089 in words is "seventy-four million, thirty-nine thousand, eighty-nine".