72546474435 has 16 divisors (see below), whose sum is σ = 116813690016. Its totient is φ = 38445009408.

The previous prime is 72546474421. The next prime is 72546474439. The reversal of 72546474435 is 53447464527.

It is not a de Polignac number, because 72546474435 - 2¹³ = 72546466243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72546474439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15400294 + ... + 15405003.

It is an arithmetic number, because the mean of its divisors is an integer number (7300855626).

Almost surely, 2^72546474435 is an apocalyptic number.

72546474435 is a deficient number, since it is larger than the sum of its proper divisors (44267215581).

72546474435 is a wasteful number, since it uses less digits than its factorization.

72546474435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805462.

The product of its digits is 11289600, while the sum is 51.

The spelling of 72546474435 in words is "seventy-two billion, five hundred forty-six million, four hundred seventy-four thousand, four hundred thirty-five".