247074272 has 12 divisors (see below), whose sum is σ = 486427536. Its totient is φ = 123537120.

The previous prime is 247074251. The next prime is 247074281. The reversal of 247074272 is 272470742.

247074272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247074272² = 122091391768659968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860504 + ... + 3860567.

It is an arithmetic number, because the mean of its divisors is an integer number (40535628).

Almost surely, 2^247074272 is an apocalyptic number.

It is an amenable number.

247074272 is a deficient number, since it is larger than the sum of its proper divisors (239353264).

247074272 is an equidigital number, since it uses as much as digits as its factorization.

247074272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721081 (or 7721073 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 247074272 is about 15718.5963749948. The cubic root of 247074272 is about 627.4934181307.

The spelling of 247074272 in words is "two hundred forty-seven million, seventy-four thousand, two hundred seventy-two".