74536401 has 8 divisors (see below), whose sum is σ = 101805984. Its totient is φ = 48478880.

The previous prime is 74536393. The next prime is 74536459. The reversal of 74536401 is 10463547.

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

It is a cyclic number.

It is not a de Polignac number, because 74536401 - 2³ = 74536393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74536471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302871 + ... + 303116.

It is an arithmetic number, because the mean of its divisors is an integer number (12725748).

Almost surely, 2^74536401 is an apocalyptic number.

It is an amenable number.

74536401 is a deficient number, since it is larger than the sum of its proper divisors (27269583).

74536401 is a wasteful number, since it uses less digits than its factorization.

74536401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606031.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 74536401 is about 8633.4466466180. The cubic root of 74536401 is about 420.8456149168.

Adding to 74536401 its reverse (10463547), we get a palindrome (84999948).

The spelling of 74536401 in words is "seventy-four million, five hundred thirty-six thousand, four hundred one".