47443761 has 6 divisors (see below), whose sum is σ = 68529890. Its totient is φ = 31629168.

The previous prime is 47443751. The next prime is 47443763. The reversal of 47443761 is 16734474.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 23619600 = 4881^2 + 4860^2 .

It is not a de Polignac number, because 47443761 - 2¹⁰ = 47442737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47443763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2635756 + ... + 2635773.

Almost surely, 2^47443761 is an apocalyptic number.

It is an amenable number.

47443761 is a deficient number, since it is larger than the sum of its proper divisors (21086129).

47443761 is a wasteful number, since it uses less digits than its factorization.

47443761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271535 (or 5271532 counting only the distinct ones).

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

The square root of 47443761 is about 6887.9431617864. The cubic root of 47443761 is about 362.0148366476.

The spelling of 47443761 in words is "forty-seven million, four hundred forty-three thousand, seven hundred sixty-one".