247030270 has 16 divisors (see below), whose sum is σ = 454996080. Its totient is φ = 96513984.

The previous prime is 247030219. The next prime is 247030279. The reversal of 247030270 is 72030742.

It is a super-2 number, since 2×247030270² = 122047908592545800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247030279) 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, 286815 + ... + 287674.

It is an arithmetic number, because the mean of its divisors is an integer number (28437255).

Almost surely, 2^247030270 is an apocalyptic number.

247030270 is a deficient number, since it is larger than the sum of its proper divisors (207965810).

247030270 is a wasteful number, since it uses less digits than its factorization.

247030270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574539.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 247030270 is about 15717.1966329877. The cubic root of 247030270 is about 627.4561653586.

The spelling of 247030270 in words is "two hundred forty-seven million, thirty thousand, two hundred seventy".