74409353 has 2 divisors, whose sum is σ = 74409354. Its totient is φ = 74409352.

The previous prime is 74409299. The next prime is 74409359. The reversal of 74409353 is 35390447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62520649 + 11888704 = 7907^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 74409353 - 2¹² = 74405257 is a prime.

It is not a weakly prime, because it can be changed into another prime (74409359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37204676 + 37204677.

It is an arithmetic number, because the mean of its divisors is an integer number (37204677).

Almost surely, 2^74409353 is an apocalyptic number.

It is an amenable number.

74409353 is a deficient number, since it is larger than the sum of its proper divisors (1).

74409353 is an equidigital number, since it uses as much as digits as its factorization.

74409353 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 74409353 is about 8626.0856128374. The cubic root of 74409353 is about 420.6063671558.

The spelling of 74409353 in words is "seventy-four million, four hundred nine thousand, three hundred fifty-three".