71472072939 has 8 divisors (see below), whose sum is σ = 97871667600. Its totient is φ = 46360263456.

The previous prime is 71472072937. The next prime is 71472072967. The reversal of 71472072939 is 93927027417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71472072939 - 2¹ = 71472072937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71472072891 and 71472072900.

It is not an unprimeable number, because it can be changed into a prime (71472072937) 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, 321946164 + ... + 321946385.

It is an arithmetic number, because the mean of its divisors is an integer number (12233958450).

Almost surely, 2^71472072939 is an apocalyptic number.

71472072939 is a deficient number, since it is larger than the sum of its proper divisors (26399594661).

71472072939 is a wasteful number, since it uses less digits than its factorization.

71472072939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643892589.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 71472072939 in words is "seventy-one billion, four hundred seventy-two million, seventy-two thousand, nine hundred thirty-nine".