73635316906 has 16 divisors (see below), whose sum is σ = 112587529824. Its totient is φ = 36106764304.

The previous prime is 73635316897. The next prime is 73635316907. The reversal of 73635316906 is 60961353637.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73635316906.

It is not an unprimeable number, because it can be changed into a prime (73635316907) 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 7 ways as a sum of consecutive naturals, for example, 82905 + ... + 392611.

It is an arithmetic number, because the mean of its divisors is an integer number (7036720614).

Almost surely, 2^73635316906 is an apocalyptic number.

73635316906 is a deficient number, since it is larger than the sum of its proper divisors (38952212918).

73635316906 is a wasteful number, since it uses less digits than its factorization.

73635316906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312005.

The product of its (nonzero) digits is 1837080, while the sum is 49.

The spelling of 73635316906 in words is "seventy-three billion, six hundred thirty-five million, three hundred sixteen thousand, nine hundred six".