47209465 has 8 divisors (see below), whose sum is σ = 57427848. Its totient is φ = 37249920.

The previous prime is 47209457. The next prime is 47209507. The reversal of 47209465 is 56490274.

It can be written as a sum of positive squares in 4 ways, for example, as 4280761 + 42928704 = 2069^2 + 6552^2 .

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

It is not a de Polignac number, because 47209465 - 2³ = 47209457 is a prime.

It is a Duffinian 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, 64306 + ... + 65035.

It is an arithmetic number, because the mean of its divisors is an integer number (7178481).

Almost surely, 2^47209465 is an apocalyptic number.

It is an amenable number.

47209465 is a deficient number, since it is larger than the sum of its proper divisors (10218383).

47209465 is a wasteful number, since it uses less digits than its factorization.

47209465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129419.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 47209465 is about 6870.9144224041. The cubic root of 47209465 is about 361.4179289734.

It can be divided in two parts, 47209 and 465, that added together give a palindrome (47674).

The spelling of 47209465 in words is "forty-seven million, two hundred nine thousand, four hundred sixty-five".