72323464753 has 4 divisors (see below), whose sum is σ = 72370705648. Its totient is φ = 72276223860.

The previous prime is 72323464739. The next prime is 72323464777. The reversal of 72323464753 is 35746432327.

It is a happy number.

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: 35746432327 = 71483 ⋅500069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72323464753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72323464723) 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, 23618151 + ... + 23621212.

It is an arithmetic number, because the mean of its divisors is an integer number (18092676412).

Almost surely, 2^72323464753 is an apocalyptic number.

It is an amenable number.

72323464753 is a deficient number, since it is larger than the sum of its proper divisors (47240895).

72323464753 is a wasteful number, since it uses less digits than its factorization.

72323464753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47240894.

The product of its digits is 2540160, while the sum is 46.

The spelling of 72323464753 in words is "seventy-two billion, three hundred twenty-three million, four hundred sixty-four thousand, seven hundred fifty-three".