47438073 has 12 divisors (see below), whose sum is σ = 70115760. Its totient is φ = 30889656.

The previous prime is 47438063. The next prime is 47438089. The reversal of 47438073 is 37083474.

It is not a de Polignac number, because 47438073 - 2⁴ = 47438057 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47438063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60903 + ... + 61676.

It is an arithmetic number, because the mean of its divisors is an integer number (5842980).

Almost surely, 2^47438073 is an apocalyptic number.

47438073 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47438073 is a deficient number, since it is larger than the sum of its proper divisors (22677687).

47438073 is a wasteful number, since it uses less digits than its factorization.

47438073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122628 (or 122625 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 47438073 is about 6887.5302540170. The cubic root of 47438073 is about 362.0003688325. Note that the first 3 decimals are identical.

The spelling of 47438073 in words is "forty-seven million, four hundred thirty-eight thousand, seventy-three".