74610389 has 16 divisors (see below), whose sum is σ = 89376000. Its totient is φ = 62212752.

The previous prime is 74610383. The next prime is 74610407. The reversal of 74610389 is 98301647.

It is not a de Polignac number, because 74610389 - 2¹⁶ = 74544853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74610383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9752 + ... + 15630.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 2^74610389 is an apocalyptic number.

It is an amenable number.

74610389 is a deficient number, since it is larger than the sum of its proper divisors (14765611).

74610389 is an equidigital number, since it uses as much as digits as its factorization.

74610389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937 (or 5923 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 74610389 is about 8637.7305468508. The cubic root of 74610389 is about 420.9848186159.

The spelling of 74610389 in words is "seventy-four million, six hundred ten thousand, three hundred eighty-nine".