72543416045410 has 32 divisors (see below), whose sum is σ = 133042903049520. Its totient is φ = 28469651628288.

The previous prime is 72543416045333. The next prime is 72543416045483. The reversal of 72543416045410 is 1454061434527.

It can be written as a sum of positive squares in 8 ways, for example, as 1013889900241 + 71529526145169 = 1006921^2 + 8457513^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80956584 + ... + 81847756.

Almost surely, 2^{72543416045410} is an apocalyptic number.

72543416045410 is a deficient number, since it is larger than the sum of its proper divisors (60499487004110).

72543416045410 is a wasteful number, since it uses less digits than its factorization.

72543416045410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044822.

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 72543416045410 its reverse (1454061434527), we get a palindrome (73997477479937).

The spelling of 72543416045410 in words is "seventy-two trillion, five hundred forty-three billion, four hundred sixteen million, forty-five thousand, four hundred ten".