612273147 has 8 divisors (see below), whose sum is σ = 826698240. Its totient is φ = 403015080.

The previous prime is 612273121. The next prime is 612273161. The reversal of 612273147 is 741372216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612273147 - 2¹⁴ = 612256763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612273107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291479 + ... + 1291952.

It is an arithmetic number, because the mean of its divisors is an integer number (103337280).

Almost surely, 2^612273147 is an apocalyptic number.

612273147 is a deficient number, since it is larger than the sum of its proper divisors (214425093).

612273147 is a wasteful number, since it uses less digits than its factorization.

612273147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583513.

The product of its digits is 14112, while the sum is 33.

The square root of 612273147 is about 24744.1537943814. The cubic root of 612273147 is about 849.1447670107.

The spelling of 612273147 in words is "six hundred twelve million, two hundred seventy-three thousand, one hundred forty-seven".