75874427 has 2 divisors, whose sum is σ = 75874428. Its totient is φ = 75874426.

The previous prime is 75874399. The next prime is 75874433. The reversal of 75874427 is 72447857.

It is a strong prime.

It is an emirp because it is prime and its reverse (72447857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75874427 - 2²⁰ = 74825851 is a prime.

It is not a weakly prime, because it can be changed into another prime (75874327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37937213 + 37937214.

It is an arithmetic number, because the mean of its divisors is an integer number (37937214).

Almost surely, 2^75874427 is an apocalyptic number.

75874427 is a deficient number, since it is larger than the sum of its proper divisors (1).

75874427 is an equidigital number, since it uses as much as digits as its factorization.

75874427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 439040, while the sum is 44.

The square root of 75874427 is about 8710.5928041667. The cubic root of 75874427 is about 423.3489381204.

The spelling of 75874427 in words is "seventy-five million, eight hundred seventy-four thousand, four hundred twenty-seven".