47115973 has 4 divisors (see below), whose sum is σ = 47888428. Its totient is φ = 46343520.

The previous prime is 47115967. The next prime is 47115979. The reversal of 47115973 is 37951174.

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 (47115967) and next prime (47115979).

It can be written as a sum of positive squares in 2 ways, for example, as 13557124 + 33558849 = 3682^2 + 5793^2 .

It is a cyclic number.

It is not a de Polignac number, because 47115973 - 2²¹ = 45018821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47115979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386136 + ... + 386257.

It is an arithmetic number, because the mean of its divisors is an integer number (11972107).

Almost surely, 2^47115973 is an apocalyptic number.

It is an amenable number.

47115973 is a deficient number, since it is larger than the sum of its proper divisors (772455).

47115973 is an equidigital number, since it uses as much as digits as its factorization.

47115973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772454.

The product of its digits is 26460, while the sum is 37.

The square root of 47115973 is about 6864.1075894831. The cubic root of 47115973 is about 361.1791914314.

The spelling of 47115973 in words is "forty-seven million, one hundred fifteen thousand, nine hundred seventy-three".