72554867063 has 4 divisors (see below), whose sum is σ = 82919848080. Its totient is φ = 62189886048.

The previous prime is 72554867059. The next prime is 72554867071. The reversal of 72554867063 is 36076845527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36076845527 = 67 ⋅538460381.

It is a cyclic number.

It is not a de Polignac number, because 72554867063 - 2² = 72554867059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72554866996 and 72554867014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72554867003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5182490498 + ... + 5182490511.

It is an arithmetic number, because the mean of its divisors is an integer number (20729962020).

Almost surely, 2^72554867063 is an apocalyptic number.

72554867063 is a deficient number, since it is larger than the sum of its proper divisors (10364981017).

72554867063 is a wasteful number, since it uses less digits than its factorization.

72554867063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364981016.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 72554867063 in words is "seventy-two billion, five hundred fifty-four million, eight hundred sixty-seven thousand, sixty-three".