47404720 has 80 divisors (see below), whose sum is σ = 121635072. Its totient is φ = 17038080.

The previous prime is 47404691. The next prime is 47404739. The reversal of 47404720 is 2740474.

47404720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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, 90379 + ... + 90901.

Almost surely, 2^47404720 is an apocalyptic number.

47404720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47404720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60817536).

47404720 is an abundant number, since it is smaller than the sum of its proper divisors (74230352).

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

47404720 is a wasteful number, since it uses less digits than its factorization.

47404720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47404720 is about 6885.1085684977. The cubic root of 47404720 is about 361.9155099257.

The spelling of 47404720 in words is "forty-seven million, four hundred four thousand, seven hundred twenty".