74503489 has 4 divisors (see below), whose sum is σ = 75766320. Its totient is φ = 73240660.

The previous prime is 74503487. The next prime is 74503493. The reversal of 74503489 is 98430547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98430547 = 23 ⋅4279589.

It is a cyclic number.

It is not a de Polignac number, because 74503489 - 2¹ = 74503487 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74503483) 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 3 ways as a sum of consecutive naturals, for example, 631327 + ... + 631444.

It is an arithmetic number, because the mean of its divisors is an integer number (18941580).

Almost surely, 2^74503489 is an apocalyptic number.

It is an amenable number.

74503489 is a deficient number, since it is larger than the sum of its proper divisors (1262831).

74503489 is a wasteful number, since it uses less digits than its factorization.

74503489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262830.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 74503489 is about 8631.5403607931. The cubic root of 74503489 is about 420.7836634862.

The spelling of 74503489 in words is "seventy-four million, five hundred three thousand, four hundred eighty-nine".