72665299022 has 8 divisors (see below), whose sum is σ = 109269765072. Its totient is φ = 36242044000.

The previous prime is 72665298991. The next prime is 72665299081. The reversal of 72665299022 is 22099256627.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45301754 + ... + 45303357.

It is an arithmetic number, because the mean of its divisors is an integer number (13658720634).

Almost surely, 2^72665299022 is an apocalyptic number.

72665299022 is a deficient number, since it is larger than the sum of its proper divisors (36604466050).

72665299022 is a wasteful number, since it uses less digits than its factorization.

72665299022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90605514.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 72665299022 in words is "seventy-two billion, six hundred sixty-five million, two hundred ninety-nine thousand, twenty-two".