74404407 has 16 divisors (see below), whose sum is σ = 123685632. Its totient is φ = 38651520.

The previous prime is 74404403. The next prime is 74404417. The reversal of 74404407 is 70440447.

It is not a de Polignac number, because 74404407 - 2² = 74404403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160818 + ... + 161279.

It is an arithmetic number, because the mean of its divisors is an integer number (7730352).

Almost surely, 2^74404407 is an apocalyptic number.

74404407 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

74404407 is a deficient number, since it is larger than the sum of its proper divisors (49281225).

74404407 is a wasteful number, since it uses less digits than its factorization.

74404407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322118.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74404407 is about 8625.7989195204. The cubic root of 74404407 is about 420.5970476948.

It can be divided in two parts, 7440440 and 7, that added together give a palindrome (7440447).

The spelling of 74404407 in words is "seventy-four million, four hundred four thousand, four hundred seven".