74289500 has 24 divisors (see below), whose sum is σ = 162249360. Its totient is φ = 29715600.

The previous prime is 74289497. The next prime is 74289511. The reversal of 74289500 is 598247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73790 + ... + 74789.

It is an arithmetic number, because the mean of its divisors is an integer number (6760390).

Almost surely, 2^74289500 is an apocalyptic number.

It is an amenable number.

74289500 is an abundant number, since it is smaller than the sum of its proper divisors (87959860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74289500 is a wasteful number, since it uses less digits than its factorization.

74289500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148598 (or 148586 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 74289500 is about 8619.1356875269. The cubic root of 74289500 is about 420.3804187448.

The spelling of 74289500 in words is "seventy-four million, two hundred eighty-nine thousand, five hundred".