75984973 has 2 divisors, whose sum is σ = 75984974. Its totient is φ = 75984972.

The previous prime is 75984967. The next prime is 75984977. The reversal of 75984973 is 37948957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74338884 + 1646089 = 8622^2 + 1283^2 .

It is an emirp because it is prime and its reverse (37948957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75984973 - 2⁵ = 75984941 is a prime.

It is a super-2 number, since 2×75984973² = 11547432243621458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75984973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75984977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37992486 + 37992487.

It is an arithmetic number, because the mean of its divisors is an integer number (37992487).

Almost surely, 2^75984973 is an apocalyptic number.

It is an amenable number.

75984973 is a deficient number, since it is larger than the sum of its proper divisors (1).

75984973 is an equidigital number, since it uses as much as digits as its factorization.

75984973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 75984973 is about 8716.9359869165. The cubic root of 75984973 is about 423.5544391638.

The spelling of 75984973 in words is "seventy-five million, nine hundred eighty-four thousand, nine hundred seventy-three".