147747347 has 4 divisors (see below), whose sum is σ = 161178936. Its totient is φ = 134315760.

The previous prime is 147747343. The next prime is 147747349. The reversal of 147747347 is 743747741.

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 147747347 - 2² = 147747343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147747298 and 147747307.

It is not an unprimeable number, because it can be changed into a prime (147747343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715778 + ... + 6715799.

It is an arithmetic number, because the mean of its divisors is an integer number (40294734).

Almost surely, 2^147747347 is an apocalyptic number.

147747347 is a deficient number, since it is larger than the sum of its proper divisors (13431589).

147747347 is a wasteful number, since it uses less digits than its factorization.

147747347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431588.

The product of its digits is 460992, while the sum is 44.

The square root of 147747347 is about 12155.1366508156. The cubic root of 147747347 is about 528.6560789015.

The spelling of 147747347 in words is "one hundred forty-seven million, seven hundred forty-seven thousand, three hundred forty-seven".