47564790 has 192 divisors, whose sum is σ = 151683840. Its totient is φ = 9434880.

The previous prime is 47564761. The next prime is 47564791. The reversal of 47564790 is 9746574.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47564791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 363025 + ... + 363155.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^47564790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47564790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75841920).

47564790 is an abundant number, since it is smaller than the sum of its proper divisors (104119050).

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

47564790 is a wasteful number, since it uses less digits than its factorization.

47564790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 47564790 is about 6896.7231349388. The cubic root of 47564790 is about 362.3224084527.

The spelling of 47564790 in words is "forty-seven million, five hundred sixty-four thousand, seven hundred ninety".