347240272 has 10 divisors (see below), whose sum is σ = 672778058. Its totient is φ = 173620128.

The previous prime is 347240239. The next prime is 347240273. The reversal of 347240272 is 272042743.

It can be written as a sum of positive squares in only one way, i.e., 202663696 + 144576576 = 14236^2 + 12024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347240273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10851243 + ... + 10851274.

Almost surely, 2^347240272 is an apocalyptic number.

It is an amenable number.

347240272 is a deficient number, since it is larger than the sum of its proper divisors (325537786).

347240272 is a wasteful number, since it uses less digits than its factorization.

347240272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702525 (or 21702519 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 347240272 is about 18634.3841325653. The cubic root of 347240272 is about 702.8727332248.

The spelling of 347240272 in words is "three hundred forty-seven million, two hundred forty thousand, two hundred seventy-two".