47626668 has 18 divisors (see below), whose sum is σ = 120389724. Its totient is φ = 15875544.

The previous prime is 47626637. The next prime is 47626669. The reversal of 47626668 is 86662674.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (47626669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 661446 + ... + 661517.

It is an arithmetic number, because the mean of its divisors is an integer number (6688318).

Almost surely, 2^47626668 is an apocalyptic number.

It is an amenable number.

47626668 is an abundant number, since it is smaller than the sum of its proper divisors (72763056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47626668 is a wasteful number, since it uses less digits than its factorization.

47626668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322973 (or 1322968 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47626668 is about 6901.2077203921. The cubic root of 47626668 is about 362.4794578926.

It can be divided in two parts, 4762666 and 8, that added together give a palindrome (4762674).

The spelling of 47626668 in words is "forty-seven million, six hundred twenty-six thousand, six hundred sixty-eight".