72617948810 has 32 divisors (see below), whose sum is σ = 143191929600. Its totient is φ = 26296029760.

The previous prime is 72617948807. The next prime is 72617948873. The reversal of 72617948810 is 1884971627.

It is a happy number.

It is a super-2 number, since 2×72617948810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1354805 + ... + 1407384.

It is an arithmetic number, because the mean of its divisors is an integer number (4474747800).

Almost surely, 2^72617948810 is an apocalyptic number.

72617948810 is a deficient number, since it is larger than the sum of its proper divisors (70573980790).

72617948810 is a wasteful number, since it uses less digits than its factorization.

72617948810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762446.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 72617948810 in words is "seventy-two billion, six hundred seventeen million, nine hundred forty-eight thousand, eight hundred ten".