73400326087 has 16 divisors (see below), whose sum is σ = 81668095488. Its totient is φ = 65409612480.

The previous prime is 73400326079. The next prime is 73400326133. The reversal of 73400326087 is 78062300437.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73400326087 - 2³ = 73400326079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73400326037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149503 + ... + 411280.

It is an arithmetic number, because the mean of its divisors is an integer number (5104255968).

Almost surely, 2^73400326087 is an apocalyptic number.

73400326087 is a deficient number, since it is larger than the sum of its proper divisors (8267769401).

73400326087 is a wasteful number, since it uses less digits than its factorization.

73400326087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561030.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 73400326087 in words is "seventy-three billion, four hundred million, three hundred twenty-six thousand, eighty-seven".