75409463 has 4 divisors (see below), whose sum is σ = 75482400. Its totient is φ = 75336528.

The previous prime is 75409459. The next prime is 75409469. The reversal of 75409463 is 36490457.

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 75409463 - 2² = 75409459 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 (75409469) 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, 34895 + ... + 36992.

It is an arithmetic number, because the mean of its divisors is an integer number (18870600).

Almost surely, 2^75409463 is an apocalyptic number.

75409463 is a deficient number, since it is larger than the sum of its proper divisors (72937).

75409463 is a wasteful number, since it uses less digits than its factorization.

75409463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72936.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 75409463 is about 8683.8622167789. The cubic root of 75409463 is about 422.4823946074.

The spelling of 75409463 in words is "seventy-five million, four hundred nine thousand, four hundred sixty-three".