74073740 has 24 divisors (see below), whose sum is σ = 167521200. Its totient is φ = 27350208.

The previous prime is 74073737. The next prime is 74073749. The reversal of 74073740 is 4737047.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74073697 and 74073706.

It is not an unprimeable number, because it can be changed into a prime (74073749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142190 + ... + 142709.

It is an arithmetic number, because the mean of its divisors is an integer number (6980050).

Almost surely, 2^74073740 is an apocalyptic number.

It is an amenable number.

74073740 is an abundant number, since it is smaller than the sum of its proper divisors (93447460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74073740 is a wasteful number, since it uses less digits than its factorization.

74073740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284921 (or 284919 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 74073740 is about 8606.6102502669. The cubic root of 74073740 is about 419.9730519369.

The spelling of 74073740 in words is "seventy-four million, seventy-three thousand, seven hundred forty".