75422623 has 2 divisors, whose sum is σ = 75422624. Its totient is φ = 75422622.

The previous prime is 75422621. The next prime is 75422629. The reversal of 75422623 is 32622457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75422623 - 2¹ = 75422621 is a prime.

Together with 75422621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75422621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711311 + 37711312.

It is an arithmetic number, because the mean of its divisors is an integer number (37711312).

Almost surely, 2^75422623 is an apocalyptic number.

75422623 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422623 is an equidigital number, since it uses as much as digits as its factorization.

75422623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 75422623 is about 8684.6199110842. The cubic root of 75422623 is about 422.5069695290.

The spelling of 75422623 in words is "seventy-five million, four hundred twenty-two thousand, six hundred twenty-three".