27072324621 has 12 divisors (see below), whose sum is σ = 39179245248. Its totient is φ = 18013704264.

The previous prime is 27072324619. The next prime is 27072324683. The reversal of 27072324621 is 12642327072.

It is a happy number.

27072324621 is a `hidden beast` number, since 2 + 7 + 0 + 7 + 2 + 3 + 24 + 621 = 666.

It is not a de Polignac number, because 27072324621 - 2¹ = 27072324619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072324221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2871045 + ... + 2880458.

It is an arithmetic number, because the mean of its divisors is an integer number (3264937104).

Almost surely, 2^27072324621 is an apocalyptic number.

It is an amenable number.

27072324621 is a deficient number, since it is larger than the sum of its proper divisors (12106920627).

27072324621 is a wasteful number, since it uses less digits than its factorization.

27072324621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752032 (or 5752029 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 27072324621 in words is "twenty-seven billion, seventy-two million, three hundred twenty-four thousand, six hundred twenty-one".