72318104445134 has 16 divisors (see below), whose sum is σ = 116252840050848. Its totient is φ = 33652137907872.

The previous prime is 72318104445121. The next prime is 72318104445143. The reversal of 72318104445134 is 43154440181327.

It is a congruent number.

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, 21245034857 + ... + 21245038260.

It is an arithmetic number, because the mean of its divisors is an integer number (7265802503178).

Almost surely, 2^{72318104445134} is an apocalyptic number.

72318104445134 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72318104445134 is a deficient number, since it is larger than the sum of its proper divisors (43934735605714).

72318104445134 is a wasteful number, since it uses less digits than its factorization.

72318104445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42490073179.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 72318104445134 in words is "seventy-two trillion, three hundred eighteen billion, one hundred four million, four hundred forty-five thousand, one hundred thirty-four".