75988973 has 2 divisors, whose sum is σ = 75988974. Its totient is φ = 75988972.

The previous prime is 75988951. The next prime is 75988993. The reversal of 75988973 is 37988957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 29789764 = 6797^2 + 5458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75988973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75988933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37994486 + 37994487.

It is an arithmetic number, because the mean of its divisors is an integer number (37994487).

Almost surely, 2^75988973 is an apocalyptic number.

It is an amenable number.

75988973 is a deficient number, since it is larger than the sum of its proper divisors (1).

75988973 is an equidigital number, since it uses as much as digits as its factorization.

75988973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 75988973 is about 8717.1654223148. The cubic root of 75988973 is about 423.5618712826.

The spelling of 75988973 in words is "seventy-five million, nine hundred eighty-eight thousand, nine hundred seventy-three".