74511489 has 8 divisors (see below), whose sum is σ = 106990912. Its totient is φ = 45853200.

The previous prime is 74511449. The next prime is 74511491. The reversal of 74511489 is 98411547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74511489 - 2⁸ = 74511233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1910551 = 74511489 / (7 + 4 + 5 + 1 + 1 + 4 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74511449) 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 in 7 ways as a sum of consecutive naturals, for example, 955237 + ... + 955314.

It is an arithmetic number, because the mean of its divisors is an integer number (13373864).

Almost surely, 2^74511489 is an apocalyptic number.

It is an amenable number.

74511489 is a deficient number, since it is larger than the sum of its proper divisors (32479423).

74511489 is a wasteful number, since it uses less digits than its factorization.

74511489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910567.

The product of its digits is 40320, while the sum is 39.

The square root of 74511489 is about 8632.0037650594. The cubic root of 74511489 is about 420.7987238494.

Adding to 74511489 its sum of digits (39), we get a triangular number (74511528 = T₁₂₂₀₇).

The spelling of 74511489 in words is "seventy-four million, five hundred eleven thousand, four hundred eighty-nine".