73247522853 has 4 divisors (see below), whose sum is σ = 97663363808. Its totient is φ = 48831681900.

The previous prime is 73247522819. The next prime is 73247522857. The reversal of 73247522853 is 35822574237.

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: 35822574237 = 3 ⋅11940858079.

It is not a de Polignac number, because 73247522853 - 2²⁶ = 73180413989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73247522857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207920473 + ... + 12207920478.

It is an arithmetic number, because the mean of its divisors is an integer number (24415840952).

Almost surely, 2^73247522853 is an apocalyptic number.

It is an amenable number.

73247522853 is a deficient number, since it is larger than the sum of its proper divisors (24415840955).

73247522853 is a wasteful number, since it uses less digits than its factorization.

73247522853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415840954.

The product of its digits is 2822400, while the sum is 48.

The spelling of 73247522853 in words is "seventy-three billion, two hundred forty-seven million, five hundred twenty-two thousand, eight hundred fifty-three".