72335420532 has 36 divisors (see below), whose sum is σ = 190797778080. Its totient is φ = 23063467152.

The previous prime is 72335420527. The next prime is 72335420533. The reversal of 72335420532 is 23502453327.

72335420532 is a `hidden beast` number, since 72 + 3 + 3 + 54 + 2 + 0 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 43679982 + ... + 43681637.

It is an arithmetic number, because the mean of its divisors is an integer number (5299938280).

Almost surely, 2^72335420532 is an apocalyptic number.

It is an amenable number.

72335420532 is an abundant number, since it is smaller than the sum of its proper divisors (118462357548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72335420532 is a wasteful number, since it uses less digits than its factorization.

72335420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87361652 (or 87361647 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 36.

Adding to 72335420532 its reverse (23502453327), we get a palindrome (95837873859).

The spelling of 72335420532 in words is "seventy-two billion, three hundred thirty-five million, four hundred twenty thousand, five hundred thirty-two".