75427201 has 4 divisors (see below), whose sum is σ = 77465812. Its totient is φ = 73388592.

The previous prime is 75427153. The next prime is 75427211. The reversal of 75427201 is 10272457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10272457 = 13 ⋅790189.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 41216400 = 5849^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 75427201 - 2⁷ = 75427073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75427201.

It is not an unprimeable number, because it can be changed into a prime (75427211) 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, 1019250 + ... + 1019323.

It is an arithmetic number, because the mean of its divisors is an integer number (19366453).

Almost surely, 2^75427201 is an apocalyptic number.

It is an amenable number.

75427201 is a deficient number, since it is larger than the sum of its proper divisors (2038611).

75427201 is a wasteful number, since it uses less digits than its factorization.

75427201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038610.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 75427201 is about 8684.8834764780. The cubic root of 75427201 is about 422.5155177943.

Adding to 75427201 its reverse (10272457), we get a palindrome (85699658).

The spelling of 75427201 in words is "seventy-five million, four hundred twenty-seven thousand, two hundred one".