47072542 has 8 divisors (see below), whose sum is σ = 77027832. Its totient is φ = 21396600.

The previous prime is 47072491. The next prime is 47072563. The reversal of 47072542 is 24527074.

47072542 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 congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1069809 + ... + 1069852.

It is an arithmetic number, because the mean of its divisors is an integer number (9628479).

Almost surely, 2^47072542 is an apocalyptic number.

47072542 is a deficient number, since it is larger than the sum of its proper divisors (29955290).

47072542 is a wasteful number, since it uses less digits than its factorization.

47072542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139674.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47072542 is about 6860.9432296150. The cubic root of 47072542 is about 361.0681802761.

The spelling of 47072542 in words is "forty-seven million, seventy-two thousand, five hundred forty-two".