74949 has 16 divisors (see below), whose sum is σ = 118272. Its totient is φ = 41328.

The previous prime is 74941. The next prime is 74959. The reversal of 74949 is 94947.

It is not a de Polignac number, because 74949 - 2³ = 74941 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (7392).

2⁷⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

74949 is a deficient number, since it is larger than the sum of its proper divisors (43323).

74949 is a wasteful number, since it uses less digits than its factorization.

74949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its digits is 9072, while the sum is 33.

The square root of 74949 is about 273.7681500832. The cubic root of 74949 is about 42.1620721940.

It can be divided in two parts, 7494 and 9, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 74949 in words is "seventy-four thousand, nine hundred forty-nine".