73618152505 has 8 divisors (see below), whose sum is σ = 88835313600. Its totient is φ = 58565501616.

The previous prime is 73618152463. The next prime is 73618152511. The reversal of 73618152505 is 50525181637.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73618152505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41126565 + ... + 41128354.

It is an arithmetic number, because the mean of its divisors is an integer number (11104414200).

Almost surely, 2^73618152505 is an apocalyptic number.

It is an amenable number.

73618152505 is a deficient number, since it is larger than the sum of its proper divisors (15217161095).

73618152505 is a wasteful number, since it uses less digits than its factorization.

73618152505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82255103.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 73618152505 in words is "seventy-three billion, six hundred eighteen million, one hundred fifty-two thousand, five hundred five".