147242727 has 12 divisors (see below), whose sum is σ = 212956744. Its totient is φ = 98035920.

The previous prime is 147242717. The next prime is 147242741. The reversal of 147242727 is 727242741.

It is a happy number.

It is not a de Polignac number, because 147242727 - 2¹¹ = 147240679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147242691 and 147242700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147242717) 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 11 ways as a sum of consecutive naturals, for example, 2788 + ... + 17385.

Almost surely, 2^147242727 is an apocalyptic number.

147242727 is a deficient number, since it is larger than the sum of its proper divisors (65714017).

147242727 is a wasteful number, since it uses less digits than its factorization.

147242727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20990 (or 20987 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 147242727 is about 12134.3614170668. The cubic root of 147242727 is about 528.0535306436.

The spelling of 147242727 in words is "one hundred forty-seven million, two hundred forty-two thousand, seven hundred twenty-seven".