74990 has 8 divisors (see below), whose sum is σ = 135000. Its totient is φ = 29992.

The previous prime is 74959. The next prime is 75011. The reversal of 74990 is 9947.

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

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (16875).

2⁷⁴⁹⁹⁰ is an apocalyptic number.

74990 is a deficient number, since it is larger than the sum of its proper divisors (60010).

74990 is a wasteful number, since it uses less digits than its factorization.

74990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 74990 is about 273.8430207254. The cubic root of 74990 is about 42.1697588870.

The spelling of 74990 in words is "seventy-four thousand, nine hundred ninety".