47867645 has 8 divisors (see below), whose sum is σ = 65647104. Its totient is φ = 32823504.

The previous prime is 47867629. The next prime is 47867647. The reversal of 47867645 is 54676874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47867645 - 2⁴ = 47867629 is a prime.

It is a super-2 number, since 2×47867645² = 4582622875692050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47867645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47867647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683789 + ... + 683858.

It is an arithmetic number, because the mean of its divisors is an integer number (8205888).

Almost surely, 2^47867645 is an apocalyptic number.

It is an amenable number.

47867645 is a deficient number, since it is larger than the sum of its proper divisors (17779459).

47867645 is a wasteful number, since it uses less digits than its factorization.

47867645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367659.

The product of its digits is 1128960, while the sum is 47.

The square root of 47867645 is about 6918.6447372300. The cubic root of 47867645 is about 363.0897763565.

The spelling of 47867645 in words is "forty-seven million, eight hundred sixty-seven thousand, six hundred forty-five".