74507 has 2 divisors, whose sum is σ = 74508. Its totient is φ = 74506.

The previous prime is 74489. The next prime is 74509. The reversal of 74507 is 70547.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74507 - 2¹⁰ = 73483 is a prime.

Together with 74509, it forms a pair of twin primes.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (74509) 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, 37253 + 37254.

It is an arithmetic number, because the mean of its divisors is an integer number (37254).

2⁷⁴⁵⁰⁷ is an apocalyptic number.

74507 is a deficient number, since it is larger than the sum of its proper divisors (1).

74507 is an equidigital number, since it uses as much as digits as its factorization.

74507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 74507 is about 272.9597039858. The cubic root of 74507 is about 42.0790273236.

The spelling of 74507 in words is "seventy-four thousand, five hundred seven".