72547825353 has 4 divisors (see below), whose sum is σ = 96730433808. Its totient is φ = 48365216900.

The previous prime is 72547825349. The next prime is 72547825373. The reversal of 72547825353 is 35352874527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35352874527 = 3 ⋅11784291509.

It is a cyclic number.

It is not a de Polignac number, because 72547825353 - 2² = 72547825349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72547825296 and 72547825305.

It is not an unprimeable number, because it can be changed into a prime (72547825373) 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, 12091304223 + ... + 12091304228.

It is an arithmetic number, because the mean of its divisors is an integer number (24182608452).

Almost surely, 2^72547825353 is an apocalyptic number.

It is an amenable number.

72547825353 is a deficient number, since it is larger than the sum of its proper divisors (24182608455).

72547825353 is a wasteful number, since it uses less digits than its factorization.

72547825353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182608454.

The product of its digits is 7056000, while the sum is 51.

The spelling of 72547825353 in words is "seventy-two billion, five hundred forty-seven million, eight hundred twenty-five thousand, three hundred fifty-three".