72627661157 has 8 divisors (see below), whose sum is σ = 75534758400. Its totient is φ = 69770258064.

The previous prime is 72627661121. The next prime is 72627661201. The reversal of 72627661157 is 75116672627.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72627661157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72627661357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12420557 + ... + 12426402.

It is an arithmetic number, because the mean of its divisors is an integer number (9441844800).

Almost surely, 2^72627661157 is an apocalyptic number.

It is an amenable number.

72627661157 is a deficient number, since it is larger than the sum of its proper divisors (2907097243).

72627661157 is a wasteful number, since it uses less digits than its factorization.

72627661157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24847075.

The product of its digits is 1481760, while the sum is 50.

The spelling of 72627661157 in words is "seventy-two billion, six hundred twenty-seven million, six hundred sixty-one thousand, one hundred fifty-seven".