73418720087 has 8 divisors (see below), whose sum is σ = 76224597600. Its totient is φ = 70631122464.

The previous prime is 73418720041. The next prime is 73418720093. The reversal of 73418720087 is 78002781437.

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 73418720087 - 2¹² = 73418715991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73418720027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561787 + ... + 4577852.

It is an arithmetic number, because the mean of its divisors is an integer number (9528074700).

Almost surely, 2^73418720087 is an apocalyptic number.

73418720087 is a deficient number, since it is larger than the sum of its proper divisors (2805877513).

73418720087 is a wasteful number, since it uses less digits than its factorization.

73418720087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139945.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 73418720087 in words is "seventy-three billion, four hundred eighteen million, seven hundred twenty thousand, eighty-seven".