247260172 has 24 divisors (see below), whose sum is σ = 459847584. Its totient is φ = 115928832.

The previous prime is 247260157. The next prime is 247260187. The reversal of 247260172 is 271062742.

247260172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247260157) and next prime (247260187).

It is a super-2 number, since 2×247260172² = 122275185314939168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12273 + ... + 25399.

It is an arithmetic number, because the mean of its divisors is an integer number (19160316).

Almost surely, 2^247260172 is an apocalyptic number.

It is an amenable number.

247260172 is a deficient number, since it is larger than the sum of its proper divisors (212587412).

247260172 is a wasteful number, since it uses less digits than its factorization.

247260172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425 (or 13423 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 247260172 is about 15724.5086409719. The cubic root of 247260172 is about 627.6507551417.

The spelling of 247260172 in words is "two hundred forty-seven million, two hundred sixty thousand, one hundred seventy-two".