74289246 has 16 divisors (see below), whose sum is σ = 148690704. Its totient is φ = 24744384.

The previous prime is 74289211. The next prime is 74289247. The reversal of 74289246 is 64298247.

It is a junction number, because it is equal to n+sod(n) for n = 74289198 and 74289207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74289247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5706 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (9293169).

Almost surely, 2^74289246 is an apocalyptic number.

74289246 is an abundant number, since it is smaller than the sum of its proper divisors (74401458).

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

74289246 is a wasteful number, since it uses less digits than its factorization.

74289246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355.

The product of its digits is 193536, while the sum is 42.

The square root of 74289246 is about 8619.1209528582. The cubic root of 74289246 is about 420.3799396428.

Subtracting from 74289246 its reverse (64298247), we obtain a palindrome (9990999).

The spelling of 74289246 in words is "seventy-four million, two hundred eighty-nine thousand, two hundred forty-six".