247959742 has 16 divisors (see below), whose sum is σ = 379132992. Its totient is φ = 121605120.

The previous prime is 247959707. The next prime is 247959743.

247959742 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×247959742³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247959743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16267 + ... + 27577.

It is an arithmetic number, because the mean of its divisors is an integer number (23695812).

Almost surely, 2^247959742 is an apocalyptic number.

247959742 is a deficient number, since it is larger than the sum of its proper divisors (131173250).

247959742 is a wasteful number, since it uses less digits than its factorization.

247959742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11523.

The product of its digits is 1270080, while the sum is 49.

The square root of 247959742 is about 15746.7375033688. The cubic root of 247959742 is about 628.2421324820.

The spelling of 247959742 in words is "two hundred forty-seven million, nine hundred fifty-nine thousand, seven hundred forty-two".