72140622509 has 8 divisors (see below), whose sum is σ = 72523080000. Its totient is φ = 71758364832.

The previous prime is 72140622481. The next prime is 72140622553. The reversal of 72140622509 is 90522604127.

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-72140622509 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 (72140622569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704057 + ... + 799985.

It is an arithmetic number, because the mean of its divisors is an integer number (9065385000).

Almost surely, 2^72140622509 is an apocalyptic number.

It is an amenable number.

72140622509 is a deficient number, since it is larger than the sum of its proper divisors (382457491).

72140622509 is a wasteful number, since it uses less digits than its factorization.

72140622509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99907.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 72140622509 in words is "seventy-two billion, one hundred forty million, six hundred twenty-two thousand, five hundred nine".