72137071207 has 8 divisors (see below), whose sum is σ = 74596354560. Its totient is φ = 69686055480.

The previous prime is 72137071189. The next prime is 72137071211. The reversal of 72137071207 is 70217073127.

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 72137071207 - 2⁷ = 72137071079 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 (72137071247) 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, 2049157 + ... + 2084062.

It is an arithmetic number, because the mean of its divisors is an integer number (9324544320).

Almost surely, 2^72137071207 is an apocalyptic number.

72137071207 is a deficient number, since it is larger than the sum of its proper divisors (2459283353).

72137071207 is a wasteful number, since it uses less digits than its factorization.

72137071207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133813.

The product of its (nonzero) digits is 28812, while the sum is 37.

The spelling of 72137071207 in words is "seventy-two billion, one hundred thirty-seven million, seventy-one thousand, two hundred seven".