75772943 has 2 divisors, whose sum is σ = 75772944. Its totient is φ = 75772942.

The previous prime is 75772937. The next prime is 75772981. The reversal of 75772943 is 34927757.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75772943 - 2⁸ = 75772687 is a prime.

It is a super-3 number, since 3×75772943³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75772894 and 75772903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75772903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37886471 + 37886472.

It is an arithmetic number, because the mean of its divisors is an integer number (37886472).

Almost surely, 2^75772943 is an apocalyptic number.

75772943 is a deficient number, since it is larger than the sum of its proper divisors (1).

75772943 is an equidigital number, since it uses as much as digits as its factorization.

75772943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 44.

The square root of 75772943 is about 8704.7655338900. The cubic root of 75772943 is about 423.1601072044.

The spelling of 75772943 in words is "seventy-five million, seven hundred seventy-two thousand, nine hundred forty-three".