73071563 has 8 divisors (see below), whose sum is σ = 74003328. Its totient is φ = 72145024.

The previous prime is 73071547. The next prime is 73071589. The reversal of 73071563 is 36517037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73071563 - 2⁴ = 73071547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73074563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32006 + ... + 34212.

It is an arithmetic number, because the mean of its divisors is an integer number (9250416).

Almost surely, 2^73071563 is an apocalyptic number.

73071563 is a deficient number, since it is larger than the sum of its proper divisors (931765).

73071563 is a wasteful number, since it uses less digits than its factorization.

73071563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 73071563 is about 8548.1906272614. The cubic root of 73071563 is about 418.0704440086.

The spelling of 73071563 in words is "seventy-three million, seventy-one thousand, five hundred sixty-three".