47774720 has 176 divisors, whose sum is σ = 138344448. Its totient is φ = 15482880.

The previous prime is 47774681. The next prime is 47774729. The reversal of 47774720 is 2747774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47774729) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1111019 + ... + 1111061.

It is an arithmetic number, because the mean of its divisors is an integer number (786048).

Almost surely, 2^47774720 is an apocalyptic number.

47774720 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 47774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69172224).

47774720 is an abundant number, since it is smaller than the sum of its proper divisors (90569728).

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

47774720 is a wasteful number, since it uses less digits than its factorization.

47774720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 47774720 is about 6911.9259255290. The cubic root of 47774720 is about 362.8546699211.

The spelling of 47774720 in words is "forty-seven million, seven hundred seventy-four thousand, seven hundred twenty".