47441477 has 4 divisors (see below), whose sum is σ = 49077420. Its totient is φ = 45805536.

The previous prime is 47441473. The next prime is 47441483. The reversal of 47441477 is 77414474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38950081 + 8491396 = 6241^2 + 2914^2 .

It is a cyclic number.

It is not a de Polignac number, because 47441477 - 2² = 47441473 is a prime.

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 47441477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47441473) 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, 817928 + ... + 817985.

It is an arithmetic number, because the mean of its divisors is an integer number (12269355).

Almost surely, 2^47441477 is an apocalyptic number.

It is an amenable number.

47441477 is a deficient number, since it is larger than the sum of its proper divisors (1635943).

47441477 is a wasteful number, since it uses less digits than its factorization.

47441477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635942.

The product of its digits is 87808, while the sum is 38.

The square root of 47441477 is about 6887.7773628363. Note that the first 3 decimals coincide. The cubic root of 47441477 is about 362.0090272771.

It can be divided in two parts, 474414 and 77, that multiplied together give a triangular number (36529878 = T₈₅₄₇).

The spelling of 47441477 in words is "forty-seven million, four hundred forty-one thousand, four hundred seventy-seven".