247242068 has 12 divisors (see below), whose sum is σ = 433558272. Its totient is φ = 123368280.

The previous prime is 247242059. The next prime is 247242091. The reversal of 247242068 is 860242742.

It is a happy number.

It is a super-2 number, since 2×247242068² = 122257280377833248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60980 + ... + 64907.

It is an arithmetic number, because the mean of its divisors is an integer number (36129856).

Almost surely, 2^247242068 is an apocalyptic number.

It is an amenable number.

247242068 is a deficient number, since it is larger than the sum of its proper divisors (186316204).

247242068 is a wasteful number, since it uses less digits than its factorization.

247242068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126382 (or 126380 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 247242068 is about 15723.9329685674. The cubic root of 247242068 is about 627.6354362349.

The spelling of 247242068 in words is "two hundred forty-seven million, two hundred forty-two thousand, sixty-eight".