72606716403 has 16 divisors (see below), whose sum is σ = 104300501760. Its totient is φ = 44661897504.

The previous prime is 72606716393. The next prime is 72606716407. The reversal of 72606716403 is 30461760627.

It is a happy number.

It is not a de Polignac number, because 72606716403 - 2⁶ = 72606716339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72606716407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306751 + ... + 489192.

It is an arithmetic number, because the mean of its divisors is an integer number (6518781360).

Almost surely, 2^72606716403 is an apocalyptic number.

72606716403 is a deficient number, since it is larger than the sum of its proper divisors (31693785357).

72606716403 is a wasteful number, since it uses less digits than its factorization.

72606716403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798298.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 72606716403 in words is "seventy-two billion, six hundred six million, seven hundred sixteen thousand, four hundred three".