47737081 has 4 divisors (see below), whose sum is σ = 54556672. Its totient is φ = 40917492.

The previous prime is 47737069. The next prime is 47737091. The reversal of 47737081 is 18073774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18073774 = 2 ⋅9036887.

It is not a de Polignac number, because 47737081 - 2⁵ = 47737049 is a prime.

It is a super-2 number, since 2×47737081² = 4557657804801122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47737081.

It is not an unprimeable number, because it can be changed into a prime (47737051) 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, 3409785 + ... + 3409798.

It is an arithmetic number, because the mean of its divisors is an integer number (13639168).

Almost surely, 2^47737081 is an apocalyptic number.

It is an amenable number.

47737081 is a deficient number, since it is larger than the sum of its proper divisors (6819591).

47737081 is an equidigital number, since it uses as much as digits as its factorization.

47737081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819590.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 47737081 is about 6909.2026312737. The cubic root of 47737081 is about 362.7593539942.

The spelling of 47737081 in words is "forty-seven million, seven hundred thirty-seven thousand, eighty-one".