73563406 has 24 divisors (see below), whose sum is σ = 129132360. Its totient is φ = 31337712.

The previous prime is 73563397. The next prime is 73563409. The reversal of 73563406 is 60436537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73563409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14785 + ... + 19123.

It is an arithmetic number, because the mean of its divisors is an integer number (5380515).

Almost surely, 2^73563406 is an apocalyptic number.

73563406 is a deficient number, since it is larger than the sum of its proper divisors (55568954).

73563406 is a wasteful number, since it uses less digits than its factorization.

73563406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4521 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 73563406 is about 8576.9112155834. The cubic root of 73563406 is about 419.0063547698.

The spelling of 73563406 in words is "seventy-three million, five hundred sixty-three thousand, four hundred six".