27072346403 has 4 divisors (see below), whose sum is σ = 28497206760. Its totient is φ = 25647486048.

The previous prime is 27072346361. The next prime is 27072346409. The reversal of 27072346403 is 30464327072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27072346403 - 2¹⁶ = 27072280867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27072346409) 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 3 ways as a sum of consecutive naturals, for example, 712430150 + ... + 712430187.

It is an arithmetic number, because the mean of its divisors is an integer number (7124301690).

Almost surely, 2^27072346403 is an apocalyptic number.

27072346403 is a deficient number, since it is larger than the sum of its proper divisors (1424860357).

27072346403 is a wasteful number, since it uses less digits than its factorization.

27072346403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424860356.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 27072346403 in words is "twenty-seven billion, seventy-two million, three hundred forty-six thousand, four hundred three".