47972265 has 24 divisors (see below), whose sum is σ = 84370944. Its totient is φ = 23258400.

The previous prime is 47972263. The next prime is 47972279. The reversal of 47972265 is 56227974.

It is not a de Polignac number, because 47972265 - 2¹ = 47972263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47972263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11401 + ... + 15030.

It is an arithmetic number, because the mean of its divisors is an integer number (3515456).

Almost surely, 2^47972265 is an apocalyptic number.

It is an amenable number.

47972265 is a deficient number, since it is larger than the sum of its proper divisors (36398679).

47972265 is a wasteful number, since it uses less digits than its factorization.

47972265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26461 (or 26450 counting only the distinct ones).

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

The square root of 47972265 is about 6926.2013398399. The cubic root of 47972265 is about 363.3541080809.

The spelling of 47972265 in words is "forty-seven million, nine hundred seventy-two thousand, two hundred sixty-five".