72559753 has 4 divisors (see below), whose sum is σ = 82925440. Its totient is φ = 62194068.

The previous prime is 72559717. The next prime is 72559759. The reversal of 72559753 is 35795527.

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.

It is a cyclic number.

It is not a de Polignac number, because 72559753 - 2⁹ = 72559241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72559759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5182833 + ... + 5182846.

It is an arithmetic number, because the mean of its divisors is an integer number (20731360).

Almost surely, 2^72559753 is an apocalyptic number.

It is an amenable number.

72559753 is a deficient number, since it is larger than the sum of its proper divisors (10365687).

72559753 is a wasteful number, since it uses less digits than its factorization.

72559753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10365686.

The product of its digits is 330750, while the sum is 43.

The square root of 72559753 is about 8518.2012772651. The cubic root of 72559753 is about 417.0920690687.

The spelling of 72559753 in words is "seventy-two million, five hundred fifty-nine thousand, seven hundred fifty-three".