74374081 has 4 divisors (see below), whose sum is σ = 74487600. Its totient is φ = 74260564.

The previous prime is 74374073. The next prime is 74374109. The reversal of 74374081 is 18047347.

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 74374081 - 2³ = 74374073 is a prime.

It is a super-2 number, since 2×74374081² = 11063007849189122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74374021) 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, 55771 + ... + 57088.

It is an arithmetic number, because the mean of its divisors is an integer number (18621900).

Almost surely, 2^74374081 is an apocalyptic number.

It is an amenable number.

74374081 is a deficient number, since it is larger than the sum of its proper divisors (113519).

74374081 is a wasteful number, since it uses less digits than its factorization.

74374081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113518.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 74374081 is about 8624.0408742074. The cubic root of 74374081 is about 420.5398971402.

The spelling of 74374081 in words is "seventy-four million, three hundred seventy-four thousand, eighty-one".