75469697 has 2 divisors, whose sum is σ = 75469698. Its totient is φ = 75469696.

The previous prime is 75469651. The next prime is 75469699. The reversal of 75469697 is 79696457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74666881 + 802816 = 8641^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 75469697 - 2⁸ = 75469441 is a prime.

Together with 75469699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75469699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37734848 + 37734849.

It is an arithmetic number, because the mean of its divisors is an integer number (37734849).

Almost surely, 2^75469697 is an apocalyptic number.

It is an amenable number.

75469697 is a deficient number, since it is larger than the sum of its proper divisors (1).

75469697 is an equidigital number, since it uses as much as digits as its factorization.

75469697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 53.

The square root of 75469697 is about 8687.3296817837. The cubic root of 75469697 is about 422.5948518994.

The spelling of 75469697 in words is "seventy-five million, four hundred sixty-nine thousand, six hundred ninety-seven".