74707389 has 12 divisors (see below), whose sum is σ = 108343872. Its totient is φ = 49605000.

The previous prime is 74707379. The next prime is 74707417. The reversal of 74707389 is 98370747.

It is not a de Polignac number, because 74707389 - 2⁸ = 74707133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74707309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14277 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (9028656).

Almost surely, 2^74707389 is an apocalyptic number.

It is an amenable number.

74707389 is a deficient number, since it is larger than the sum of its proper divisors (33636483).

74707389 is a wasteful number, since it uses less digits than its factorization.

74707389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33328 (or 33325 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 74707389 is about 8643.3436238530. The cubic root of 74707389 is about 421.1671785801.

It can be divided in two parts, 7470738 and 9, that added together give a palindrome (7470747).

The spelling of 74707389 in words is "seventy-four million, seven hundred seven thousand, three hundred eighty-nine".