74615089 has 2 divisors, whose sum is σ = 74615090. Its totient is φ = 74615088.

The previous prime is 74615069. The next prime is 74615161. The reversal of 74615089 is 98051647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 33872400 = 6383^2 + 5820^2 .

It is a cyclic number.

It is not a de Polignac number, because 74615089 - 2¹⁹ = 74090801 is a prime.

It is not a weakly prime, because it can be changed into another prime (74615029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37307544 + 37307545.

It is an arithmetic number, because the mean of its divisors is an integer number (37307545).

Almost surely, 2^74615089 is an apocalyptic number.

It is an amenable number.

74615089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74615089 is an equidigital number, since it uses as much as digits as its factorization.

74615089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 74615089 is about 8638.0026047692. The cubic root of 74615089 is about 420.9936582567.

The spelling of 74615089 in words is "seventy-four million, six hundred fifteen thousand, eighty-nine".