74683489 has 2 divisors, whose sum is σ = 74683490. Its totient is φ = 74683488.

The previous prime is 74683481. The next prime is 74683523. The reversal of 74683489 is 98438647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 1067089 = 8580^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 74683489 - 2³ = 74683481 is a prime.

It is not a weakly prime, because it can be changed into another prime (74683481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37341744 + 37341745.

It is an arithmetic number, because the mean of its divisors is an integer number (37341745).

Almost surely, 2^74683489 is an apocalyptic number.

It is an amenable number.

74683489 is a deficient number, since it is larger than the sum of its proper divisors (1).

74683489 is an equidigital number, since it uses as much as digits as its factorization.

74683489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 74683489 is about 8641.9609464519. The cubic root of 74683489 is about 421.1222612508.

The spelling of 74683489 in words is "seventy-four million, six hundred eighty-three thousand, four hundred eighty-nine".