247034447 has 12 divisors (see below), whose sum is σ = 285827640. Its totient is φ = 212754960.

The previous prime is 247034423. The next prime is 247034461. The reversal of 247034447 is 744430742.

It is not a de Polignac number, because 247034447 - 2²⁶ = 179925583 is a prime.

It is a super-2 number, since 2×247034447² = 122052036009191618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247034407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51428 + ... + 56025.

It is an arithmetic number, because the mean of its divisors is an integer number (23818970).

Almost surely, 2^247034447 is an apocalyptic number.

247034447 is a deficient number, since it is larger than the sum of its proper divisors (38793193).

247034447 is a wasteful number, since it uses less digits than its factorization.

247034447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107494 (or 107483 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 35.

The square root of 247034447 is about 15717.3295123567. The cubic root of 247034447 is about 627.4597018612.

The spelling of 247034447 in words is "two hundred forty-seven million, thirty-four thousand, four hundred forty-seven".