47444475 has 24 divisors (see below), whose sum is σ = 84477232. Its totient is φ = 23356800.

The previous prime is 47444461. The next prime is 47444489. The reversal of 47444475 is 57444474.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47444461) and next prime (47444489).

It is not a de Polignac number, because 47444475 - 2⁴ = 47444459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23356 + ... + 25305.

Almost surely, 2^47444475 is an apocalyptic number.

47444475 is a deficient number, since it is larger than the sum of its proper divisors (37032757).

47444475 is a wasteful number, since it uses less digits than its factorization.

47444475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48687 (or 48682 counting only the distinct ones).

The product of its digits is 250880, while the sum is 39.

The square root of 47444475 is about 6887.9949912874. The cubic root of 47444475 is about 362.0166526735.

Subtracting 47444475 from its reverse (57444474), we obtain a palindrome (9999999).

The spelling of 47444475 in words is "forty-seven million, four hundred forty-four thousand, four hundred seventy-five".