75445201 has 16 divisors (see below), whose sum is σ = 86368464. Its totient is φ = 65286144.

The previous prime is 75445189. The next prime is 75445217. The reversal of 75445201 is 10254457.

It can be written as a sum of positive squares in 8 ways, for example, as 19793601 + 55651600 = 4449^2 + 7460^2 .

It is a cyclic number.

It is not a de Polignac number, because 75445201 - 2¹³ = 75437009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75445201.

It is not an unprimeable number, because it can be changed into a prime (75445261) 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, 73971 + ... + 74983.

It is an arithmetic number, because the mean of its divisors is an integer number (5398029).

Almost surely, 2^75445201 is an apocalyptic number.

It is an amenable number.

75445201 is a deficient number, since it is larger than the sum of its proper divisors (10923263).

75445201 is a wasteful number, since it uses less digits than its factorization.

75445201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 75445201 is about 8685.9196979940. The cubic root of 75445201 is about 422.5491249206.

Adding to 75445201 its reverse (10254457), we get a palindrome (85699658).

The spelling of 75445201 in words is "seventy-five million, four hundred forty-five thousand, two hundred one".