75403201 has 4 divisors (see below), whose sum is σ = 75484612. Its totient is φ = 75321792.

The previous prime is 75403189. The next prime is 75403231. The reversal of 75403201 is 10230457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21762225 + 53640976 = 4665^2 + 7324^2 .

It is a cyclic number.

It is not a de Polignac number, because 75403201 - 2¹³ = 75395009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75403231) 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, 39300 + ... + 41173.

It is an arithmetic number, because the mean of its divisors is an integer number (18871153).

Almost surely, 2^75403201 is an apocalyptic number.

It is an amenable number.

75403201 is a deficient number, since it is larger than the sum of its proper divisors (81411).

75403201 is an equidigital number, since it uses as much as digits as its factorization.

75403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81410.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 75403201 is about 8683.5016554383. The cubic root of 75403201 is about 422.4706999743.

Adding to 75403201 its reverse (10230457), we get a palindrome (85633658).

The spelling of 75403201 in words is "seventy-five million, four hundred three thousand, two hundred one".