72313126510 has 8 divisors (see below), whose sum is σ = 130163627736. Its totient is φ = 28925250600.

The previous prime is 72313126441. The next prime is 72313126541. The reversal of 72313126510 is 1562131327.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615656316 + ... + 3615656335.

It is an arithmetic number, because the mean of its divisors is an integer number (16270453467).

Almost surely, 2^72313126510 is an apocalyptic number.

72313126510 is a deficient number, since it is larger than the sum of its proper divisors (57850501226).

72313126510 is a wasteful number, since it uses less digits than its factorization.

72313126510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231312658.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 72313126510 its reverse (1562131327), we get a palindrome (73875257837).

The spelling of 72313126510 in words is "seventy-two billion, three hundred thirteen million, one hundred twenty-six thousand, five hundred ten".