72505753033 has 8 divisors (see below), whose sum is σ = 82876122560. Its totient is φ = 62138484720.

The previous prime is 72505753003. The next prime is 72505753037. The reversal of 72505753033 is 33035750527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72505753033 - 2²¹ = 72503655881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72505753037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724983 + ... + 818908.

It is an arithmetic number, because the mean of its divisors is an integer number (10359515320).

Almost surely, 2^72505753033 is an apocalyptic number.

It is an amenable number.

72505753033 is a deficient number, since it is larger than the sum of its proper divisors (10370369527).

72505753033 is a wasteful number, since it uses less digits than its factorization.

72505753033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550607.

The product of its (nonzero) digits is 330750, while the sum is 40.

The spelling of 72505753033 in words is "seventy-two billion, five hundred five million, seven hundred fifty-three thousand, thirty-three".