72543404470 has 16 divisors (see below), whose sum is σ = 130587990048. Its totient is φ = 29015170240.

The previous prime is 72543404413. The next prime is 72543404509. The reversal of 72543404470 is 7440434527.

It is a super-3 number, since 3×72543404470³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131386 + ... + 402925.

It is an arithmetic number, because the mean of its divisors is an integer number (8161749378).

Almost surely, 2^72543404470 is an apocalyptic number.

72543404470 is a deficient number, since it is larger than the sum of its proper divisors (58044585578).

72543404470 is a wasteful number, since it uses less digits than its factorization.

72543404470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547895.

The product of its (nonzero) digits is 376320, while the sum is 40.

Adding to 72543404470 its reverse (7440434527), we get a palindrome (79983838997).

The spelling of 72543404470 in words is "seventy-two billion, five hundred forty-three million, four hundred four thousand, four hundred seventy".