72563134737 has 8 divisors (see below), whose sum is σ = 96797752704. Its totient is φ = 48351969968.

The previous prime is 72563134727. The next prime is 72563134759. The reversal of 72563134737 is 73743136527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72563134737 - 2⁸ = 72563134481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72563134717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5856078 + ... + 5868455.

It is an arithmetic number, because the mean of its divisors is an integer number (12099719088).

Almost surely, 2^72563134737 is an apocalyptic number.

It is an amenable number.

72563134737 is a deficient number, since it is larger than the sum of its proper divisors (24234617967).

72563134737 is a wasteful number, since it uses less digits than its factorization.

72563134737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726599.

The product of its digits is 2222640, while the sum is 48.

The spelling of 72563134737 in words is "seventy-two billion, five hundred sixty-three million, one hundred thirty-four thousand, seven hundred thirty-seven".