75463693 has 2 divisors, whose sum is σ = 75463694. Its totient is φ = 75463692.

The previous prime is 75463691. The next prime is 75463711. The reversal of 75463693 is 39636457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59567524 + 15896169 = 7718^2 + 3987^2 .

It is a cyclic number.

It is not a de Polignac number, because 75463693 - 2¹ = 75463691 is a prime.

It is a super-2 number, since 2×75463693² = 11389537922396498, which contains 22 as substring.

Together with 75463691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75463691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37731846 + 37731847.

It is an arithmetic number, because the mean of its divisors is an integer number (37731847).

Almost surely, 2^75463693 is an apocalyptic number.

It is an amenable number.

75463693 is a deficient number, since it is larger than the sum of its proper divisors (1).

75463693 is an equidigital number, since it uses as much as digits as its factorization.

75463693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 43.

The square root of 75463693 is about 8686.9841141791. The cubic root of 75463693 is about 422.5836450756.

The spelling of 75463693 in words is "seventy-five million, four hundred sixty-three thousand, six hundred ninety-three".