247034342 has 8 divisors (see below), whose sum is σ = 371602296. Its totient is φ = 123166912.

The previous prime is 247034341. The next prime is 247034351. The reversal of 247034342 is 243430742.

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

It is a super-2 number, since 2×247034342² = 122051932254745928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247034341) 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, 174248 + ... + 175659.

It is an arithmetic number, because the mean of its divisors is an integer number (46450287).

Almost surely, 2^247034342 is an apocalyptic number.

247034342 is a deficient number, since it is larger than the sum of its proper divisors (124567954).

247034342 is a wasteful number, since it uses less digits than its factorization.

247034342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350262.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 247034342 is about 15717.3261720943. The cubic root of 247034342 is about 627.4596129623.

The spelling of 247034342 in words is "two hundred forty-seven million, thirty-four thousand, three hundred forty-two".