75874289 has 2 divisors, whose sum is σ = 75874290. Its totient is φ = 75874288.

The previous prime is 75874259. The next prime is 75874297. The reversal of 75874289 is 98247857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 1345600 = 8633^2 + 1160^2 .

It is an emirp because it is prime and its reverse (98247857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75874289 - 2¹⁶ = 75808753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75874259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37937144 + 37937145.

It is an arithmetic number, because the mean of its divisors is an integer number (37937145).

Almost surely, 2^75874289 is an apocalyptic number.

It is an amenable number.

75874289 is a deficient number, since it is larger than the sum of its proper divisors (1).

75874289 is an equidigital number, since it uses as much as digits as its factorization.

75874289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 50.

The square root of 75874289 is about 8710.5848827734. The cubic root of 75874289 is about 423.3486814587.

The spelling of 75874289 in words is "seventy-five million, eight hundred seventy-four thousand, two hundred eighty-nine".