47620992 has 128 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 14653440.

The previous prime is 47620957. The next prime is 47620999. The reversal of 47620992 is 29902674.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 47620992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47620999) 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, 445003 + ... + 445109.

It is an arithmetic number, because the mean of its divisors is an integer number (1067175).

Almost surely, 2^47620992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47620992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68299200).

47620992 is an abundant number, since it is smaller than the sum of its proper divisors (88977408).

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

47620992 is a wasteful number, since it uses less digits than its factorization.

47620992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 47620992 is about 6900.7964757700. The cubic root of 47620992 is about 362.4650575911.

The spelling of 47620992 in words is "forty-seven million, six hundred twenty thousand, nine hundred ninety-two".