74197822 has 8 divisors (see below), whose sum is σ = 112444416. Its totient is φ = 36716352.

The previous prime is 74197813. The next prime is 74197829. The reversal of 74197822 is 22879147.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74197829) 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, 191038 + ... + 191425.

It is an arithmetic number, because the mean of its divisors is an integer number (14055552).

Almost surely, 2^74197822 is an apocalyptic number.

74197822 is a deficient number, since it is larger than the sum of its proper divisors (38246594).

74197822 is a wasteful number, since it uses less digits than its factorization.

74197822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382562.

The product of its digits is 56448, while the sum is 40.

The square root of 74197822 is about 8613.8157630634. The cubic root of 74197822 is about 420.2074221106.

The spelling of 74197822 in words is "seventy-four million, one hundred ninety-seven thousand, eight hundred twenty-two".