47279265 has 16 divisors (see below), whose sum is σ = 82524096. Its totient is φ = 22923200.

The previous prime is 47279263. The next prime is 47279269. The reversal of 47279265 is 56297274.

It is not a de Polignac number, because 47279265 - 2¹ = 47279263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47279263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143106 + ... + 143435.

It is an arithmetic number, because the mean of its divisors is an integer number (5157756).

Almost surely, 2^47279265 is an apocalyptic number.

It is an amenable number.

47279265 is a deficient number, since it is larger than the sum of its proper divisors (35244831).

47279265 is a wasteful number, since it uses less digits than its factorization.

47279265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286560.

The product of its digits is 211680, while the sum is 42.

The square root of 47279265 is about 6875.9919284420. The cubic root of 47279265 is about 361.5959621200.

Subtracting 47279265 from its reverse (56297274), we obtain a square (9018009 = 3003²).

The spelling of 47279265 in words is "forty-seven million, two hundred seventy-nine thousand, two hundred sixty-five".