75386401 has 4 divisors (see below), whose sum is σ = 75892500. Its totient is φ = 74880304.

The previous prime is 75386393. The next prime is 75386411. The reversal of 75386401 is 10468357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10468357 = 47 ⋅222731.

It can be written as a sum of positive squares in 2 ways, for example, as 46226401 + 29160000 = 6799^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 75386401 - 2³ = 75386393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75386411) 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 3 ways as a sum of consecutive naturals, for example, 252826 + ... + 253123.

It is an arithmetic number, because the mean of its divisors is an integer number (18973125).

Almost surely, 2^75386401 is an apocalyptic number.

It is an amenable number.

75386401 is a deficient number, since it is larger than the sum of its proper divisors (506099).

75386401 is a wasteful number, since it uses less digits than its factorization.

75386401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506098.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 75386401 is about 8682.5342498605. The cubic root of 75386401 is about 422.4393218417.

The spelling of 75386401 in words is "seventy-five million, three hundred eighty-six thousand, four hundred one".