73563705 has 24 divisors (see below), whose sum is σ = 128494080. Its totient is φ = 38931360.

The previous prime is 73563697. The next prime is 73563719. The reversal of 73563705 is 50736537.

It is not a de Polignac number, because 73563705 - 2³ = 73563697 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73563705.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (5353920).

Almost surely, 2^73563705 is an apocalyptic number.

It is an amenable number.

73563705 is a deficient number, since it is larger than the sum of its proper divisors (54930375).

73563705 is a wasteful number, since it uses less digits than its factorization.

73563705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621 (or 12618 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 73563705 is about 8576.9286460830. The cubic root of 73563705 is about 419.0069224558.

The spelling of 73563705 in words is "seventy-three million, five hundred sixty-three thousand, seven hundred five".