75361873 has 2 divisors, whose sum is σ = 75361874. Its totient is φ = 75361872.

The previous prime is 75361849. The next prime is 75361877. The reversal of 75361873 is 37816357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74080449 + 1281424 = 8607^2 + 1132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75361873 is a prime.

It is a super-3 number, since 3×75361873³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (75361877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37680936 + 37680937.

It is an arithmetic number, because the mean of its divisors is an integer number (37680937).

Almost surely, 2^75361873 is an apocalyptic number.

It is an amenable number.

75361873 is a deficient number, since it is larger than the sum of its proper divisors (1).

75361873 is an equidigital number, since it uses as much as digits as its factorization.

75361873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 75361873 is about 8681.1216441195. The cubic root of 75361873 is about 422.3935013952.

It can be divided in two parts, 7536 and 1873, that added together give a square (9409 = 97²).

The spelling of 75361873 in words is "seventy-five million, three hundred sixty-one thousand, eight hundred seventy-three".