247274370 has 96 divisors (see below), whose sum is σ = 762023808. Its totient is φ = 56515968.

The previous prime is 247274353. The next prime is 247274393. The reversal of 247274370 is 73472742.

It is a super-2 number, since 2×247274370² = 122289228117793800, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 9742 + ... + 24278.

It is an arithmetic number, because the mean of its divisors is an integer number (7937748).

Almost surely, 2^247274370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247274370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381011904).

247274370 is an abundant number, since it is smaller than the sum of its proper divisors (514749438).

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

247274370 is a wasteful number, since it uses less digits than its factorization.

247274370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566 (or 14554 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 247274370 is about 15724.9600953389. The cubic root of 247274370 is about 627.6627684188.

The spelling of 247274370 in words is "two hundred forty-seven million, two hundred seventy-four thousand, three hundred seventy".