72655653330406 has 8 divisors (see below), whose sum is σ = 108983601241200. Its totient is φ = 36327786250008.

The previous prime is 72655653330373. The next prime is 72655653330431. The reversal of 72655653330406 is 60403335655627.

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, 17908101 + ... + 21587296.

It is an arithmetic number, because the mean of its divisors is an integer number (13622950155150).

Almost surely, 2^{72655653330406} is an apocalyptic number.

72655653330406 is a deficient number, since it is larger than the sum of its proper divisors (36327947910794).

72655653330406 is a wasteful number, since it uses less digits than its factorization.

72655653330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40415198.

The product of its (nonzero) digits is 40824000, while the sum is 55.

The spelling of 72655653330406 in words is "seventy-two trillion, six hundred fifty-five billion, six hundred fifty-three million, three hundred thirty thousand, four hundred six".