74929 has 2 divisors, whose sum is σ = 74930. Its totient is φ = 74928.

The previous prime is 74923. The next prime is 74933. The reversal of 74929 is 92947.

74929 = T₂₂₂ + T₂₂₃ + T₂₂₄.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 400 = 273^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 74929 - 2⁵ = 74897 is a prime.

It is a super-2 number, since 2×74929² = 11228710082, which contains 22 as substring.

It is a Chen prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74929.

It is not a weakly prime, because it can be changed into another prime (74923) 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 as a sum of consecutive naturals, namely, 37464 + 37465.

It is an arithmetic number, because the mean of its divisors is an integer number (37465).

2⁷⁴⁹²⁹ is an apocalyptic number.

74929 is the 224-th centered triangular number.

It is an amenable number.

74929 is a deficient number, since it is larger than the sum of its proper divisors (1).

74929 is an equidigital number, since it uses as much as digits as its factorization.

74929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 74929 is about 273.7316203876. The cubic root of 74929 is about 42.1583215705.

The spelling of 74929 in words is "seventy-four thousand, nine hundred twenty-nine".