74747226 has 8 divisors (see below), whose sum is σ = 149494464. Its totient is φ = 24915740.

The previous prime is 74747221. The next prime is 74747243. The reversal of 74747226 is 62274747.

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

74747226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (74747221) 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 3 ways as a sum of consecutive naturals, for example, 6228930 + ... + 6228941.

It is an arithmetic number, because the mean of its divisors is an integer number (18686808).

Almost surely, 2^74747226 is an apocalyptic number.

74747226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74747226 is a wasteful number, since it uses less digits than its factorization.

74747226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457876.

The product of its digits is 131712, while the sum is 39.

The square root of 74747226 is about 8645.6478068448. The cubic root of 74747226 is about 421.2420263997.

The spelling of 74747226 in words is "seventy-four million, seven hundred forty-seven thousand, two hundred twenty-six".