247374 has 24 divisors (see below), whose sum is σ = 556920. Its totient is φ = 82296.

The previous prime is 247369. The next prime is 247381. The reversal of 247374 is 473742.

It is a super-3 number, since 3×247374³ = 45413336395288872, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (23205).

2²⁴⁷³⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278460).

247374 is an abundant number, since it is smaller than the sum of its proper divisors (309546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247374 is an equidigital number, since it uses as much as digits as its factorization.

247374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 514 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 247374 is about 497.3670676673. The cubic root of 247374 is about 62.7747054880.

The spelling of 247374 in words is "two hundred forty-seven thousand, three hundred seventy-four", and thus it is an iban number.