47825731 has 8 divisors (see below), whose sum is σ = 49100480. Its totient is φ = 46567872.

The previous prime is 47825711. The next prime is 47825737. The reversal of 47825731 is 13752874.

47825731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47825731 - 2⁵ = 47825699 is a prime.

It is a super-2 number, since 2×47825731² = 4574601091368722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47825737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (6137560).

Almost surely, 2^47825731 is an apocalyptic number.

47825731 is a deficient number, since it is larger than the sum of its proper divisors (1274749).

47825731 is an equidigital number, since it uses as much as digits as its factorization.

47825731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445.

The product of its digits is 47040, while the sum is 37.

The square root of 47825731 is about 6915.6150124194. The cubic root of 47825731 is about 362.9837688508.

The spelling of 47825731 in words is "forty-seven million, eight hundred twenty-five thousand, seven hundred thirty-one".