27334350721 has 8 divisors (see below), whose sum is σ = 28084145544. Its totient is φ = 26588513280.

The previous prime is 27334350709. The next prime is 27334350727. The reversal of 27334350721 is 12705343372.

It can be written as a sum of positive squares in 4 ways, for example, as 587383696 + 26746967025 = 24236^2 + 163545^2 .

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 27334350721 - 2¹⁹ = 27333826433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27334350727) 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, 975340 + ... + 1002973.

It is an arithmetic number, because the mean of its divisors is an integer number (3510518193).

Almost surely, 2^27334350721 is an apocalyptic number.

It is an amenable number.

27334350721 is a deficient number, since it is larger than the sum of its proper divisors (749794823).

27334350721 is a wasteful number, since it uses less digits than its factorization.

27334350721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978691.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 27334350721 in words is "twenty-seven billion, three hundred thirty-four million, three hundred fifty thousand, seven hundred twenty-one".