74938070 has 8 divisors (see below), whose sum is σ = 134888544. Its totient is φ = 29975224.

The previous prime is 74938063. The next prime is 74938079. The reversal of 74938070 is 7083947.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74938079) 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 3 ways as a sum of consecutive naturals, for example, 3746894 + ... + 3746913.

It is an arithmetic number, because the mean of its divisors is an integer number (16861068).

Almost surely, 2^74938070 is an apocalyptic number.

74938070 is a deficient number, since it is larger than the sum of its proper divisors (59950474).

74938070 is a wasteful number, since it uses less digits than its factorization.

74938070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493814.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74938070 is about 8656.6777692138. The cubic root of 74938070 is about 421.6002256095.

The spelling of 74938070 in words is "seventy-four million, nine hundred thirty-eight thousand, seventy".