247070427 has 8 divisors (see below), whose sum is σ = 330617616. Its totient is φ = 164118432.

The previous prime is 247070419. The next prime is 247070431. The reversal of 247070427 is 724070742.

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

It is not a de Polignac number, because 247070427 - 2³ = 247070419 is a prime.

It is a super-2 number, since 2×247070427² = 122087591795924658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247070437) 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, 147828 + ... + 149489.

It is an arithmetic number, because the mean of its divisors is an integer number (41327202).

Almost surely, 2^247070427 is an apocalyptic number.

247070427 is a deficient number, since it is larger than the sum of its proper divisors (83547189).

247070427 is a wasteful number, since it uses less digits than its factorization.

247070427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297597.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 247070427 is about 15718.4740671606. The cubic root of 247070427 is about 627.4901630707.

The spelling of 247070427 in words is "two hundred forty-seven million, seventy thousand, four hundred twenty-seven".