72265575174503 has 4 divisors (see below), whose sum is σ = 72785471398920. Its totient is φ = 71745678950088.

The previous prime is 72265575174491. The next prime is 72265575174509. The reversal of 72265575174503 is 30547157556227.

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

It is a cyclic number.

It is not a de Polignac number, because 72265575174503 - 2⁶ = 72265575174439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265575174509) 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, 259948112000 + ... + 259948112277.

It is an arithmetic number, because the mean of its divisors is an integer number (18196367849730).

Almost surely, 2^{72265575174503} is an apocalyptic number.

72265575174503 is a deficient number, since it is larger than the sum of its proper divisors (519896224417).

72265575174503 is a wasteful number, since it uses less digits than its factorization.

72265575174503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519896224416.

The product of its (nonzero) digits is 61740000, while the sum is 59.

The spelling of 72265575174503 in words is "seventy-two trillion, two hundred sixty-five billion, five hundred seventy-five million, one hundred seventy-four thousand, five hundred three".