47290720 has 24 divisors (see below), whose sum is σ = 111724704. Its totient is φ = 18916224.

The previous prime is 47290709. The next prime is 47290723. The reversal of 47290720 is 2709274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47290723) 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 3 ways as a sum of consecutive naturals, for example, 147624 + ... + 147943.

It is an arithmetic number, because the mean of its divisors is an integer number (4655196).

Almost surely, 2^47290720 is an apocalyptic number.

47290720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47290720 is an abundant number, since it is smaller than the sum of its proper divisors (64433984).

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

47290720 is a wasteful number, since it uses less digits than its factorization.

47290720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295582 (or 295574 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 47290720 is about 6876.8248487220. The cubic root of 47290720 is about 361.6251627098.

Adding to 47290720 its reverse (2709274), we get a palindrome (49999994).

The spelling of 47290720 in words is "forty-seven million, two hundred ninety thousand, seven hundred twenty".