47089720 has 16 divisors (see below), whose sum is σ = 105951960. Its totient is φ = 18835872.

The previous prime is 47089703. The next prime is 47089739. The reversal of 47089720 is 2798074.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47089720.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 588582 + ... + 588661.

Almost surely, 2^47089720 is an apocalyptic number.

47089720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47089720 is an abundant number, since it is smaller than the sum of its proper divisors (58862240).

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

47089720 is a wasteful number, since it uses less digits than its factorization.

47089720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177254 (or 1177250 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 47089720 is about 6862.1949841140. The cubic root of 47089720 is about 361.1120960043.

The spelling of 47089720 in words is "forty-seven million, eighty-nine thousand, seven hundred twenty".