72520346671300 has 144 divisors (see below), whose sum is σ = 174300993897408. Its totient is φ = 25968009830400.

The previous prime is 72520346671291. The next prime is 72520346671363. The reversal of 72520346671300 is 317664302527.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204487732 + ... + 204842068.

It is an arithmetic number, because the mean of its divisors is an integer number (1210423568732).

Almost surely, 2^{72520346671300} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72520346671300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87150496948704).

72520346671300 is an abundant number, since it is smaller than the sum of its proper divisors (101780647226108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72520346671300 is a wasteful number, since it uses less digits than its factorization.

72520346671300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357206 (or 357199 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 72520346671300 in words is "seventy-two trillion, five hundred twenty billion, three hundred forty-six million, six hundred seventy-one thousand, three hundred".