74446401 has 4 divisors (see below), whose sum is σ = 99261872. Its totient is φ = 49630932.

The previous prime is 74446369. The next prime is 74446403. The reversal of 74446401 is 10464447.

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 not a de Polignac number, because 74446401 - 2⁵ = 74446369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74446403) 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, 12407731 + ... + 12407736.

It is an arithmetic number, because the mean of its divisors is an integer number (24815468).

Almost surely, 2^74446401 is an apocalyptic number.

It is an amenable number.

74446401 is a deficient number, since it is larger than the sum of its proper divisors (24815471).

74446401 is a wasteful number, since it uses less digits than its factorization.

74446401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24815470.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 74446401 is about 8628.2327854550. The cubic root of 74446401 is about 420.6761614249.

It can be divided in two parts, 74446 and 401, that added together give a palindrome (74847).

The spelling of 74446401 in words is "seventy-four million, four hundred forty-six thousand, four hundred one".