74209361 has 4 divisors (see below), whose sum is σ = 75148800. Its totient is φ = 73269924.

The previous prime is 74209349. The next prime is 74209363. The reversal of 74209361 is 16390247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74209361 - 2¹⁸ = 73947217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74209363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469601 + ... + 469758.

It is an arithmetic number, because the mean of its divisors is an integer number (18787200).

Almost surely, 2^74209361 is an apocalyptic number.

It is an amenable number.

74209361 is a deficient number, since it is larger than the sum of its proper divisors (939439).

74209361 is an equidigital number, since it uses as much as digits as its factorization.

74209361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939438.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 74209361 is about 8614.4855331006. The cubic root of 74209361 is about 420.2292040712.

The spelling of 74209361 in words is "seventy-four million, two hundred nine thousand, three hundred sixty-one".