247054729 has 8 divisors (see below), whose sum is σ = 251637120. Its totient is φ = 242510736.

The previous prime is 247054721. The next prime is 247054757. The reversal of 247054729 is 927450742.

247054729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 247054729 - 2³ = 247054721 is a prime.

It is a super-2 number, since 2×247054729² = 122072078242526882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247054691 and 247054700.

It is not an unprimeable number, because it can be changed into a prime (247054721) 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, 3552 + ... + 22510.

It is an arithmetic number, because the mean of its divisors is an integer number (31454640).

Almost surely, 2^247054729 is an apocalyptic number.

It is an amenable number.

247054729 is a deficient number, since it is larger than the sum of its proper divisors (4582391).

247054729 is a wasteful number, since it uses less digits than its factorization.

247054729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19199.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 247054729 is about 15717.9747105026. The cubic root of 247054729 is about 627.4768732714.

The spelling of 247054729 in words is "two hundred forty-seven million, fifty-four thousand, seven hundred twenty-nine".