72606841257 has 32 divisors (see below), whose sum is σ = 100930164480. Its totient is φ = 46385015040.

The previous prime is 72606841217. The next prime is 72606841273. The reversal of 72606841257 is 75214860627.

It is not a de Polignac number, because 72606841257 - 2¹⁹ = 72606316969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72606841217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8609719 + ... + 8618147.

It is an arithmetic number, because the mean of its divisors is an integer number (3154067640).

Almost surely, 2^72606841257 is an apocalyptic number.

It is an amenable number.

72606841257 is a deficient number, since it is larger than the sum of its proper divisors (28323323223).

72606841257 is a wasteful number, since it uses less digits than its factorization.

72606841257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9633.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 72606841257 in words is "seventy-two billion, six hundred six million, eight hundred forty-one thousand, two hundred fifty-seven".