75149383 has 2 divisors, whose sum is σ = 75149384. Its totient is φ = 75149382.

The previous prime is 75149341. The next prime is 75149467. The reversal of 75149383 is 38394157.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75149383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75149323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37574691 + 37574692.

It is an arithmetic number, because the mean of its divisors is an integer number (37574692).

Almost surely, 2^75149383 is an apocalyptic number.

75149383 is a deficient number, since it is larger than the sum of its proper divisors (1).

75149383 is an equidigital number, since it uses as much as digits as its factorization.

75149383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 75149383 is about 8668.8743790644. The cubic root of 75149383 is about 421.9961347474.

The spelling of 75149383 in words is "seventy-five million, one hundred forty-nine thousand, three hundred eighty-three".