75236149 has 2 divisors, whose sum is σ = 75236150. Its totient is φ = 75236148.

The previous prime is 75236141. The next prime is 75236167. The reversal of 75236149 is 94163257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67535524 + 7700625 = 8218^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 75236149 - 2³ = 75236141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75236141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37618074 + 37618075.

It is an arithmetic number, because the mean of its divisors is an integer number (37618075).

Almost surely, 2^75236149 is an apocalyptic number.

It is an amenable number.

75236149 is a deficient number, since it is larger than the sum of its proper divisors (1).

75236149 is an equidigital number, since it uses as much as digits as its factorization.

75236149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 75236149 is about 8673.8773913400. The cubic root of 75236149 is about 422.1584817625.

The spelling of 75236149 in words is "seventy-five million, two hundred thirty-six thousand, one hundred forty-nine".