74509433 has 2 divisors, whose sum is σ = 74509434. Its totient is φ = 74509432.

The previous prime is 74509367. The next prime is 74509447. The reversal of 74509433 is 33490547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54051904 + 20457529 = 7352^2 + 4523^2 .

It is an emirp because it is prime and its reverse (33490547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74509433 - 2¹⁴ = 74493049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74509393 and 74509402.

It is not a weakly prime, because it can be changed into another prime (74509493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37254716 + 37254717.

It is an arithmetic number, because the mean of its divisors is an integer number (37254717).

Almost surely, 2^74509433 is an apocalyptic number.

It is an amenable number.

74509433 is a deficient number, since it is larger than the sum of its proper divisors (1).

74509433 is an equidigital number, since it uses as much as digits as its factorization.

74509433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 74509433 is about 8631.8846725382. The cubic root of 74509433 is about 420.7948534390.

The spelling of 74509433 in words is "seventy-four million, five hundred nine thousand, four hundred thirty-three".