27172744430 has 96 divisors (see below), whose sum is σ = 53811838080. Its totient is φ = 9873601920.

The previous prime is 27172744421. The next prime is 27172744439. The reversal of 27172744430 is 3444727172.

It is an interprime number because it is at equal distance from previous prime (27172744421) and next prime (27172744439).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27172744439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30772769 + ... + 30773651.

It is an arithmetic number, because the mean of its divisors is an integer number (560539980).

Almost surely, 2^27172744430 is an apocalyptic number.

27172744430 is a deficient number, since it is larger than the sum of its proper divisors (26639093650).

27172744430 is a wasteful number, since it uses less digits than its factorization.

27172744430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 27172744430 in words is "twenty-seven billion, one hundred seventy-two million, seven hundred forty-four thousand, four hundred thirty".