74401242 has 16 divisors (see below), whose sum is σ = 151325280. Its totient is φ = 24379952.

The previous prime is 74401237. The next prime is 74401247. The reversal of 74401242 is 24210447.

It is an interprime number because it is at equal distance from previous prime (74401237) and next prime (74401247).

It is a super-2 number, since 2×74401242² = 11071089622285128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74401247) 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, 104733 + ... + 105440.

It is an arithmetic number, because the mean of its divisors is an integer number (9457830).

Almost surely, 2^74401242 is an apocalyptic number.

74401242 is an abundant number, since it is smaller than the sum of its proper divisors (76924038).

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

74401242 is a wasteful number, since it uses less digits than its factorization.

74401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210237.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 74401242 is about 8625.6154563022. The cubic root of 74401242 is about 420.5910838521.

Adding to 74401242 its reverse (24210447), we get a palindrome (98611689).

The spelling of 74401242 in words is "seventy-four million, four hundred one thousand, two hundred forty-two".