74401238 has 8 divisors (see below), whose sum is σ = 111675888. Its totient is φ = 37175944.

The previous prime is 74401237. The next prime is 74401247. The reversal of 74401238 is 83210447.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74401238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74401237) 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, 8306 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (13959486).

Almost surely, 2^74401238 is an apocalyptic number.

74401238 is a deficient number, since it is larger than the sum of its proper divisors (37274650).

74401238 is a wasteful number, since it uses less digits than its factorization.

74401238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24678.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 74401238 is about 8625.6152244347. The cubic root of 74401238 is about 420.5910763148.

The spelling of 74401238 in words is "seventy-four million, four hundred one thousand, two hundred thirty-eight".