75920297 has 2 divisors, whose sum is σ = 75920298. Its totient is φ = 75920296.

The previous prime is 75920281. The next prime is 75920323. The reversal of 75920297 is 79202957.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49900096 + 26020201 = 7064^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 75920297 - 2⁴ = 75920281 is a prime.

It is not a weakly prime, because it can be changed into another prime (75920227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37960148 + 37960149.

It is an arithmetic number, because the mean of its divisors is an integer number (37960149).

Almost surely, 2^75920297 is an apocalyptic number.

It is an amenable number.

75920297 is a deficient number, since it is larger than the sum of its proper divisors (1).

75920297 is an equidigital number, since it uses as much as digits as its factorization.

75920297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 75920297 is about 8713.2254073908. The cubic root of 75920297 is about 423.4342330154.

The spelling of 75920297 in words is "seventy-five million, nine hundred twenty thousand, two hundred ninety-seven".