74409955 has 8 divisors (see below), whose sum is σ = 89663904. Its totient is φ = 59280000.

The previous prime is 74409949. The next prime is 74410019. The reversal of 74409955 is 55990447.

It is a happy number.

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

It is not a de Polignac number, because 74409955 - 2¹³ = 74401763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29671 + ... + 32080.

It is an arithmetic number, because the mean of its divisors is an integer number (11207988).

Almost surely, 2^74409955 is an apocalyptic number.

74409955 is a deficient number, since it is larger than the sum of its proper divisors (15253949).

74409955 is a wasteful number, since it uses less digits than its factorization.

74409955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61997.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 74409955 is about 8626.1205069255. The cubic root of 74409955 is about 420.6075014413.

The spelling of 74409955 in words is "seventy-four million, four hundred nine thousand, nine hundred fifty-five".