75349529 has 2 divisors, whose sum is σ = 75349530. Its totient is φ = 75349528.

The previous prime is 75349523. The next prime is 75349543. The reversal of 75349529 is 92594357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51093904 + 24255625 = 7148^2 + 4925^2 .

It is a cyclic number.

It is not a de Polignac number, because 75349529 - 2¹² = 75345433 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75349529.

It is not a weakly prime, because it can be changed into another prime (75349523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37674764 + 37674765.

It is an arithmetic number, because the mean of its divisors is an integer number (37674765).

Almost surely, 2^75349529 is an apocalyptic number.

It is an amenable number.

75349529 is a deficient number, since it is larger than the sum of its proper divisors (1).

75349529 is an equidigital number, since it uses as much as digits as its factorization.

75349529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 75349529 is about 8680.4106469683. The cubic root of 75349529 is about 422.3704379641.

The spelling of 75349529 in words is "seventy-five million, three hundred forty-nine thousand, five hundred twenty-nine".