47257282 has 4 divisors (see below), whose sum is σ = 70885926. Its totient is φ = 23628640.

The previous prime is 47257279. The next prime is 47257319. The reversal of 47257282 is 28275274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37466641 + 9790641 = 6121^2 + 3129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11814319 + ... + 11814322.

Almost surely, 2^47257282 is an apocalyptic number.

47257282 is a deficient number, since it is larger than the sum of its proper divisors (23628644).

47257282 is a wasteful number, since it uses less digits than its factorization.

47257282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23628643.

The product of its digits is 62720, while the sum is 37.

The square root of 47257282 is about 6874.3932095858. The cubic root of 47257282 is about 361.5399107950.

The spelling of 47257282 in words is "forty-seven million, two hundred fifty-seven thousand, two hundred eighty-two".