74938130 has 8 divisors (see below), whose sum is σ = 134888652. Its totient is φ = 29975248.

The previous prime is 74938103. The next prime is 74938133. The reversal of 74938130 is 3183947.

It can be written as a sum of positive squares in 2 ways, for example, as 74632321 + 305809 = 8639^2 + 553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74938133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746897 + ... + 3746916.

Almost surely, 2^74938130 is an apocalyptic number.

74938130 is a deficient number, since it is larger than the sum of its proper divisors (59950522).

74938130 is a wasteful number, since it uses less digits than its factorization.

74938130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493820.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 74938130 is about 8656.6812347458. The cubic root of 74938130 is about 421.6003381291.

The spelling of 74938130 in words is "seventy-four million, nine hundred thirty-eight thousand, one hundred thirty".