234747272 has 8 divisors (see below), whose sum is σ = 440151150. Its totient is φ = 117373632.

The previous prime is 234747259. The next prime is 234747287. The reversal of 234747272 is 272747432.

It can be written as a sum of positive squares in only one way, i.e., 226021156 + 8726116 = 15034^2 + 2954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×234747272² = 110212563422883968, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14671697 + ... + 14671712.

Almost surely, 2^234747272 is an apocalyptic number.

It is an amenable number.

234747272 is a deficient number, since it is larger than the sum of its proper divisors (205403878).

234747272 is a wasteful number, since it uses less digits than its factorization.

234747272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29343415 (or 29343411 counting only the distinct ones).

The product of its digits is 131712, while the sum is 38.

The square root of 234747272 is about 15321.4644208705. The cubic root of 234747272 is about 616.8792820627.

The spelling of 234747272 in words is "two hundred thirty-four million, seven hundred forty-seven thousand, two hundred seventy-two".