75570133 has 2 divisors, whose sum is σ = 75570134. Its totient is φ = 75570132.

The previous prime is 75570109. The next prime is 75570139. The reversal of 75570133 is 33107557.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55696369 + 19873764 = 7463^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 75570133 - 2¹⁷ = 75439061 is a prime.

It is equal to p_4425808 and since 75570133 and 4425808 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 75570095 and 75570104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75570139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37785066 + 37785067.

It is an arithmetic number, because the mean of its divisors is an integer number (37785067).

Almost surely, 2^75570133 is an apocalyptic number.

It is an amenable number.

75570133 is a deficient number, since it is larger than the sum of its proper divisors (1).

75570133 is an equidigital number, since it uses as much as digits as its factorization.

75570133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 75570133 is about 8693.1083623753. The cubic root of 75570133 is about 422.7822336077.

The spelling of 75570133 in words is "seventy-five million, five hundred seventy thousand, one hundred thirty-three".