75623113 has 2 divisors, whose sum is σ = 75623114. Its totient is φ = 75623112.

The previous prime is 75623087. The next prime is 75623129. The reversal of 75623113 is 31132657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54582544 + 21040569 = 7388^2 + 4587^2 .

It is an emirp because it is prime and its reverse (31132657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75623113 - 2⁵ = 75623081 is a prime.

It is not a weakly prime, because it can be changed into another prime (75623143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37811556 + 37811557.

It is an arithmetic number, because the mean of its divisors is an integer number (37811557).

Almost surely, 2^75623113 is an apocalyptic number.

It is an amenable number.

75623113 is a deficient number, since it is larger than the sum of its proper divisors (1).

75623113 is an equidigital number, since it uses as much as digits as its factorization.

75623113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 75623113 is about 8696.1550699145. The cubic root of 75623113 is about 422.8810105956.

The spelling of 75623113 in words is "seventy-five million, six hundred twenty-three thousand, one hundred thirteen".