72335420530 has 8 divisors (see below), whose sum is σ = 130203756972. Its totient is φ = 28934168208.

The previous prime is 72335420527. The next prime is 72335420533. The reversal of 72335420530 is 3502453327.

It is an interprime number because it is at equal distance from previous prime (72335420527) and next prime (72335420533).

It can be written as a sum of positive squares in 2 ways, for example, as 66900339801 + 5435080729 = 258651^2 + 73723^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72335420533) 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 3 ways as a sum of consecutive naturals, for example, 3616771017 + ... + 3616771036.

Almost surely, 2^72335420530 is an apocalyptic number.

72335420530 is a deficient number, since it is larger than the sum of its proper divisors (57868336442).

72335420530 is a wasteful number, since it uses less digits than its factorization.

72335420530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233542060.

The product of its (nonzero) digits is 75600, while the sum is 34.

Adding to 72335420530 its reverse (3502453327), we get a palindrome (75837873857).

The spelling of 72335420530 in words is "seventy-two billion, three hundred thirty-five million, four hundred twenty thousand, five hundred thirty".