47204645 has 8 divisors (see below), whose sum is σ = 59627040. Its totient is φ = 35776080.

The previous prime is 47204617. The next prime is 47204659. The reversal of 47204645 is 54640274.

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

It is not a de Polignac number, because 47204645 - 2⁶ = 47204581 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, 248351 + ... + 248540.

It is an arithmetic number, because the mean of its divisors is an integer number (7453380).

Almost surely, 2^47204645 is an apocalyptic number.

It is an amenable number.

47204645 is a deficient number, since it is larger than the sum of its proper divisors (12422395).

47204645 is a wasteful number, since it uses less digits than its factorization.

47204645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496915.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 47204645 is about 6870.5636595552. The cubic root of 47204645 is about 361.4056285183.

The spelling of 47204645 in words is "forty-seven million, two hundred four thousand, six hundred forty-five".