75422917 has 2 divisors, whose sum is σ = 75422918. Its totient is φ = 75422916.

The previous prime is 75422833. The next prime is 75422923. The reversal of 75422917 is 71922457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64866916 + 10556001 = 8054^2 + 3249^2 .

It is an emirp because it is prime and its reverse (71922457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75422917 - 2²³ = 67034309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75422947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711458 + 37711459.

It is an arithmetic number, because the mean of its divisors is an integer number (37711459).

Almost surely, 2^75422917 is an apocalyptic number.

It is an amenable number.

75422917 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422917 is an equidigital number, since it uses as much as digits as its factorization.

75422917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 75422917 is about 8684.6368375425. The cubic root of 75422917 is about 422.5075185105.

The spelling of 75422917 in words is "seventy-five million, four hundred twenty-two thousand, nine hundred seventeen".