247387467 has 8 divisors (see below), whose sum is σ = 347210560. Its totient is φ = 156244680.

The previous prime is 247387457. The next prime is 247387489. The reversal of 247387467 is 764783742.

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

It is not a de Polignac number, because 247387467 - 2⁶ = 247387403 is a prime.

It is a super-2 number, since 2×247387467² = 122401117657352178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247387457) 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, 2170009 + ... + 2170122.

It is an arithmetic number, because the mean of its divisors is an integer number (43401320).

Almost surely, 2^247387467 is an apocalyptic number.

247387467 is a deficient number, since it is larger than the sum of its proper divisors (99823093).

247387467 is a wasteful number, since it uses less digits than its factorization.

247387467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340153.

The product of its digits is 1580544, while the sum is 48.

The square root of 247387467 is about 15728.5557823978. Note that the first 3 decimals coincide. The cubic root of 247387467 is about 627.7584461557.

The spelling of 247387467 in words is "two hundred forty-seven million, three hundred eighty-seven thousand, four hundred sixty-seven".