72142936471 has 8 divisors (see below), whose sum is σ = 72580333904. Its totient is φ = 71706824640.

The previous prime is 72142936451. The next prime is 72142936507. The reversal of 72142936471 is 17463924127.

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 72142936471 - 2⁷ = 72142936343 is a prime.

It is a super-3 number, since 3×72142936471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72142936421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208710 + ... + 433411.

It is an arithmetic number, because the mean of its divisors is an integer number (9072541738).

Almost surely, 2^72142936471 is an apocalyptic number.

72142936471 is a deficient number, since it is larger than the sum of its proper divisors (437397433).

72142936471 is a wasteful number, since it uses less digits than its factorization.

72142936471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642801.

The product of its digits is 508032, while the sum is 46.

The spelling of 72142936471 in words is "seventy-two billion, one hundred forty-two million, nine hundred thirty-six thousand, four hundred seventy-one".