72603243510 has 64 divisors (see below), whose sum is σ = 210854472192. Its totient is φ = 15618848256.

The previous prime is 72603243499. The next prime is 72603243529. The reversal of 72603243510 is 1534230627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10164952 + ... + 10172091.

It is an arithmetic number, because the mean of its divisors is an integer number (3294601128).

Almost surely, 2^72603243510 is an apocalyptic number.

72603243510 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72603243510 is an abundant number, since it is smaller than the sum of its proper divisors (138251228682).

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

72603243510 is a wasteful number, since it uses less digits than its factorization.

72603243510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20337077.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 72603243510 in words is "seventy-two billion, six hundred three million, two hundred forty-three thousand, five hundred ten".