47416645 has 8 divisors (see below), whose sum is σ = 57029400. Its totient is φ = 37847040.

The previous prime is 47416631. The next prime is 47416651. The reversal of 47416645 is 54661474.

It can be written as a sum of positive squares in 4 ways, for example, as 10850436 + 36566209 = 3294^2 + 6047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47416645 - 2⁷ = 47416517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8316 + ... + 12805.

It is an arithmetic number, because the mean of its divisors is an integer number (7128675).

Almost surely, 2^47416645 is an apocalyptic number.

It is an amenable number.

47416645 is a deficient number, since it is larger than the sum of its proper divisors (9612755).

47416645 is a wasteful number, since it uses less digits than its factorization.

47416645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575.

The product of its digits is 80640, while the sum is 37.

The square root of 47416645 is about 6885.9745134585. The cubic root of 47416645 is about 361.9458548689.

The spelling of 47416645 in words is "forty-seven million, four hundred sixteen thousand, six hundred forty-five".