72010403330 has 8 divisors (see below), whose sum is σ = 129618726012. Its totient is φ = 28804161328.

The previous prime is 72010403321. The next prime is 72010403393. The reversal of 72010403330 is 3330401027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65230692409 + 6779710921 = 255403^2 + 82339^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 72010403296 and 72010403305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600520157 + ... + 3600520176.

Almost surely, 2^72010403330 is an apocalyptic number.

72010403330 is a deficient number, since it is larger than the sum of its proper divisors (57608322682).

72010403330 is a wasteful number, since it uses less digits than its factorization.

72010403330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201040340.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 72010403330 its reverse (3330401027), we get a palindrome (75340804357).

The spelling of 72010403330 in words is "seventy-two billion, ten million, four hundred three thousand, three hundred thirty".