72486245558834 has 4 divisors (see below), whose sum is σ = 108729368338254. Its totient is φ = 36243122779416.

The previous prime is 72486245558827. The next prime is 72486245558887. The reversal of 72486245558834 is 43885554268427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66821583755809 + 5664661803025 = 8174447^2 + 2380055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18121561389707 + ... + 18121561389710.

Almost surely, 2^{72486245558834} is an apocalyptic number.

72486245558834 is a deficient number, since it is larger than the sum of its proper divisors (36243122779420).

72486245558834 is a wasteful number, since it uses less digits than its factorization.

72486245558834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36243122779419.

The product of its digits is 2064384000, while the sum is 71.

The spelling of 72486245558834 in words is "seventy-two trillion, four hundred eighty-six billion, two hundred forty-five million, five hundred fifty-eight thousand, eight hundred thirty-four".