75867349 has 2 divisors, whose sum is σ = 75867350. Its totient is φ = 75867348.

The previous prime is 75867331. The next prime is 75867359. The reversal of 75867349 is 94376857.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 3249 = 8710^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 75867349 - 2¹⁷ = 75736277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75867329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37933674 + 37933675.

It is an arithmetic number, because the mean of its divisors is an integer number (37933675).

Almost surely, 2^75867349 is an apocalyptic number.

It is an amenable number.

75867349 is a deficient number, since it is larger than the sum of its proper divisors (1).

75867349 is an equidigital number, since it uses as much as digits as its factorization.

75867349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 75867349 is about 8710.1865077620. The cubic root of 75867349 is about 423.3357735753.

The spelling of 75867349 in words is "seventy-five million, eight hundred sixty-seven thousand, three hundred forty-nine".