247980706 has 8 divisors (see below), whose sum is σ = 377210304. Its totient is φ = 122243940.

The previous prime is 247980703. The next prime is 247980743. The reversal of 247980706 is 607089742.

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

It is a super-2 number, since 2×247980706² = 122988861096516872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247980701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873030 + ... + 873313.

It is an arithmetic number, because the mean of its divisors is an integer number (47151288).

Almost surely, 2^247980706 is an apocalyptic number.

247980706 is a deficient number, since it is larger than the sum of its proper divisors (129229598).

247980706 is a wasteful number, since it uses less digits than its factorization.

247980706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746416.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 247980706 is about 15747.4031509960. The cubic root of 247980706 is about 628.2598370992.

The spelling of 247980706 in words is "two hundred forty-seven million, nine hundred eighty thousand, seven hundred six".