74330670 has 16 divisors (see below), whose sum is σ = 178393680. Its totient is φ = 19821504.

The previous prime is 74330639. The next prime is 74330677. The reversal of 74330670 is 7603347.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2477689 = 74330670 / (7 + 4 + 3 + 3 + 0 + 6 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74330677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238815 + ... + 1238874.

It is an arithmetic number, because the mean of its divisors is an integer number (11149605).

Almost surely, 2^74330670 is an apocalyptic number.

74330670 is an abundant number, since it is smaller than the sum of its proper divisors (104063010).

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

74330670 is a wasteful number, since it uses less digits than its factorization.

74330670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477699.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 74330670 is about 8621.5236472447. The cubic root of 74330670 is about 420.4580603394.

It can be divided in two parts, 743 and 30670, that added together give a palindrome (31413).

The spelling of 74330670 in words is "seventy-four million, three hundred thirty thousand, six hundred seventy".