75630101 has 4 divisors (see below), whose sum is σ = 75754092. Its totient is φ = 75506112.

The previous prime is 75630091. The next prime is 75630131. The reversal of 75630101 is 10103657.

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 24850225 + 50779876 = 4985^2 + 7126^2 .

It is a cyclic number.

It is not a de Polignac number, because 75630101 - 2¹⁰ = 75629077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75630131) 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, 61076 + ... + 62301.

It is an arithmetic number, because the mean of its divisors is an integer number (18938523).

Almost surely, 2^75630101 is an apocalyptic number.

It is an amenable number.

75630101 is a deficient number, since it is larger than the sum of its proper divisors (123991).

75630101 is a wasteful number, since it uses less digits than its factorization.

75630101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123990.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 75630101 is about 8696.5568473966. The cubic root of 75630101 is about 422.8940357205.

Adding to 75630101 its reverse (10103657), we get a palindrome (85733758).

The spelling of 75630101 in words is "seventy-five million, six hundred thirty thousand, one hundred one".