75069727 has 2 divisors, whose sum is σ = 75069728. Its totient is φ = 75069726.

The previous prime is 75069697. The next prime is 75069737. The reversal of 75069727 is 72796057.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75069727 - 2¹⁵ = 75036959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75069737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37534863 + 37534864.

It is an arithmetic number, because the mean of its divisors is an integer number (37534864).

Almost surely, 2^75069727 is an apocalyptic number.

75069727 is a deficient number, since it is larger than the sum of its proper divisors (1).

75069727 is an equidigital number, since it uses as much as digits as its factorization.

75069727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 75069727 is about 8664.2787928367. The cubic root of 75069727 is about 421.8469811259.

The spelling of 75069727 in words is "seventy-five million, sixty-nine thousand, seven hundred twenty-seven".