72508487076 has 27 divisors (see below), whose sum is σ = 183289426411. Its totient is φ = 24168957144.

The previous prime is 72508487047. The next prime is 72508487089. The reversal of 72508487076 is 67078480527.

It is a happy number.

The square root of 72508487076 is 269274.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1593205 + ... + 1638083.

Almost surely, 2^72508487076 is an apocalyptic number.

72508487076 is the 269274-th square number.

It is an amenable number.

72508487076 is an abundant number, since it is smaller than the sum of its proper divisors (110780939335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72508487076 is an frugal number, since it uses more digits than its factorization.

72508487076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89768 (or 44884 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 72508487076 in words is "seventy-two billion, five hundred eight million, four hundred eighty-seven thousand, seventy-six".