72653206701 has 4 divisors (see below), whose sum is σ = 96870942272. Its totient is φ = 48435471132.

The previous prime is 72653206643. The next prime is 72653206727. The reversal of 72653206701 is 10760235627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72653206701 - 2²³ = 72644818093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72653206701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72653206751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12108867781 + ... + 12108867786.

It is an arithmetic number, because the mean of its divisors is an integer number (24217735568).

Almost surely, 2^72653206701 is an apocalyptic number.

It is an amenable number.

72653206701 is a deficient number, since it is larger than the sum of its proper divisors (24217735571).

72653206701 is a wasteful number, since it uses less digits than its factorization.

72653206701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24217735570.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 72653206701 in words is "seventy-two billion, six hundred fifty-three million, two hundred six thousand, seven hundred one".