75712213 has 2 divisors, whose sum is σ = 75712214. Its totient is φ = 75712212.

The previous prime is 75712201. The next prime is 75712309. The reversal of 75712213 is 31221757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57410929 + 18301284 = 7577^2 + 4278^2 .

It is a cyclic number.

It is not a de Polignac number, because 75712213 - 2⁵ = 75712181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75712513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37856106 + 37856107.

It is an arithmetic number, because the mean of its divisors is an integer number (37856107).

Almost surely, 2^75712213 is an apocalyptic number.

It is an amenable number.

75712213 is a deficient number, since it is larger than the sum of its proper divisors (1).

75712213 is an equidigital number, since it uses as much as digits as its factorization.

75712213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 28.

The square root of 75712213 is about 8701.2765155464. The cubic root of 75712213 is about 423.0470264621.

The spelling of 75712213 in words is "seventy-five million, seven hundred twelve thousand, two hundred thirteen".