74930089 has 4 divisors (see below), whose sum is σ = 80693956. Its totient is φ = 69166224.

The previous prime is 74930071. The next prime is 74930111. The reversal of 74930089 is 98003947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98003947 = 2389 ⋅41023.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 71690089 = 1800^2 + 8467^2 .

It is a cyclic number.

It is not a de Polignac number, because 74930089 - 2¹¹ = 74928041 is a prime.

It is a super-2 number, since 2×74930089² = 11229036475095842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74930029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881914 + ... + 2881939.

It is an arithmetic number, because the mean of its divisors is an integer number (20173489).

Almost surely, 2^74930089 is an apocalyptic number.

It is an amenable number.

74930089 is a deficient number, since it is larger than the sum of its proper divisors (5763867).

74930089 is a wasteful number, since it uses less digits than its factorization.

74930089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763866.

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

The square root of 74930089 is about 8656.2167833298. The cubic root of 74930089 is about 421.5852580909.

The spelling of 74930089 in words is "seventy-four million, nine hundred thirty thousand, eighty-nine".