47740073 has 4 divisors (see below), whose sum is σ = 47875668. Its totient is φ = 47604480.

The previous prime is 47740067. The next prime is 47740079. The reversal of 47740073 is 37004774.

It is a happy number.

47740073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47740067) and next prime (47740079).

It can be written as a sum of positive squares in 2 ways, for example, as 27741289 + 19998784 = 5267^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 47740073 - 2⁴ = 47740057 is a prime.

It is a super-2 number, since 2×47740073² = 4558229140090658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47740079) 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 3 ways as a sum of consecutive naturals, for example, 67268 + ... + 67973.

It is an arithmetic number, because the mean of its divisors is an integer number (11968917).

Almost surely, 2^47740073 is an apocalyptic number.

It is an amenable number.

47740073 is a deficient number, since it is larger than the sum of its proper divisors (135595).

47740073 is a wasteful number, since it uses less digits than its factorization.

47740073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135594.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 47740073 is about 6909.4191506957. The cubic root of 47740073 is about 362.7669326821.

The spelling of 47740073 in words is "forty-seven million, seven hundred forty thousand, seventy-three".