72601672577 has 8 divisors (see below), whose sum is σ = 83272885056. Its totient is φ = 62005346352.

The previous prime is 72601672477. The next prime is 72601672667. The reversal of 72601672577 is 77527610627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72601672577 - 2³⁶ = 3882195841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72601672477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18719483 + ... + 18723360.

It is an arithmetic number, because the mean of its divisors is an integer number (10409110632).

Almost surely, 2^72601672577 is an apocalyptic number.

It is an amenable number.

72601672577 is a deficient number, since it is larger than the sum of its proper divisors (10671212479).

72601672577 is a wasteful number, since it uses less digits than its factorization.

72601672577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37443127.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 72601672577 in words is "seventy-two billion, six hundred one million, six hundred seventy-two thousand, five hundred seventy-seven".