75434663 has 4 divisors (see below), whose sum is σ = 75480168. Its totient is φ = 75389160.

The previous prime is 75434659. The next prime is 75434701. The reversal of 75434663 is 36643457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75434663 - 2² = 75434659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75434603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (18870042).

Almost surely, 2^75434663 is an apocalyptic number.

75434663 is a deficient number, since it is larger than the sum of its proper divisors (45505).

75434663 is a wasteful number, since it uses less digits than its factorization.

75434663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45504.

The product of its digits is 181440, while the sum is 38.

The square root of 75434663 is about 8685.3130628665. The cubic root of 75434663 is about 422.5294504639.

The spelling of 75434663 in words is "seventy-five million, four hundred thirty-four thousand, six hundred sixty-three".