72473330433 has 16 divisors (see below), whose sum is σ = 112083845120. Its totient is φ = 40795221456.

The previous prime is 72473330431. The next prime is 72473330453. The reversal of 72473330433 is 33403337427.

It is not a de Polignac number, because 72473330433 - 2¹ = 72473330431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72473330391 and 72473330400.

It is not an unprimeable number, because it can be changed into a prime (72473330431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25753153 + ... + 25755966.

It is an arithmetic number, because the mean of its divisors is an integer number (7005240320).

Almost surely, 2^72473330433 is an apocalyptic number.

It is an amenable number.

72473330433 is a deficient number, since it is larger than the sum of its proper divisors (39610514687).

72473330433 is a wasteful number, since it uses less digits than its factorization.

72473330433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51509196.

The product of its (nonzero) digits is 381024, while the sum is 39.

The spelling of 72473330433 in words is "seventy-two billion, four hundred seventy-three million, three hundred thirty thousand, four hundred thirty-three".