74959638 has 16 divisors (see below), whose sum is σ = 161451696. Its totient is φ = 23064480.

The previous prime is 74959637. The next prime is 74959673. The reversal of 74959638 is 83695947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74959631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480433 + ... + 480588.

It is an arithmetic number, because the mean of its divisors is an integer number (10090731).

Almost surely, 2^74959638 is an apocalyptic number.

74959638 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

74959638 is an abundant number, since it is smaller than the sum of its proper divisors (86492058).

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

74959638 is a wasteful number, since it uses less digits than its factorization.

74959638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961039.

The product of its digits is 1632960, while the sum is 51.

The square root of 74959638 is about 8657.9234230848. The cubic root of 74959638 is about 421.6406687890.

The spelling of 74959638 in words is "seventy-four million, nine hundred fifty-nine thousand, six hundred thirty-eight".