47867090 has 32 divisors (see below), whose sum is σ = 88781616. Its totient is φ = 18570240.

The previous prime is 47867089. The next prime is 47867093. The reversal of 47867090 is 9076874.

47867090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 491401 + 47375689 = 701^2 + 6883^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47867093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128144 + ... + 128516.

Almost surely, 2^47867090 is an apocalyptic number.

47867090 is a deficient number, since it is larger than the sum of its proper divisors (40914526).

47867090 is a wasteful number, since it uses less digits than its factorization.

47867090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 47867090 is about 6918.6046281024. The cubic root of 47867090 is about 363.0883730732.

The spelling of 47867090 in words is "forty-seven million, eight hundred sixty-seven thousand, ninety".