72661016627 has 8 divisors (see below), whose sum is σ = 77739138960. Its totient is φ = 67708280160.

The previous prime is 72661016621. The next prime is 72661016629.

72661016627 is nontrivially palindromic in base 10.

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 72661016627 - 2⁶ = 72661016563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72661016621) 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, 31345268 + ... + 31347585.

It is an arithmetic number, because the mean of its divisors is an integer number (9717392370).

Almost surely, 2^72661016627 is an apocalyptic number.

72661016627 is a deficient number, since it is larger than the sum of its proper divisors (5078122333).

72661016627 is a wasteful number, since it uses less digits than its factorization.

72661016627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62692933.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 72661016627 in words is "seventy-two billion, six hundred sixty-one million, sixteen thousand, six hundred twenty-seven".