72471087029 has 32 divisors (see below), whose sum is σ = 82195050240. Its totient is φ = 63293529600.

The previous prime is 72471086983. The next prime is 72471087037. The reversal of 72471087029 is 92078017427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72471087029 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 (72471087089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95231009 + ... + 95231769.

It is an arithmetic number, because the mean of its divisors is an integer number (2568595320).

Almost surely, 2^72471087029 is an apocalyptic number.

It is an amenable number.

72471087029 is a deficient number, since it is larger than the sum of its proper divisors (9723963211).

72471087029 is a wasteful number, since it uses less digits than its factorization.

72471087029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 72471087029 in words is "seventy-two billion, four hundred seventy-one million, eighty-seven thousand, twenty-nine".