47807645 has 8 divisors (see below), whose sum is σ = 57441120. Its totient is φ = 38198160.

The previous prime is 47807623. The next prime is 47807653. The reversal of 47807645 is 54670874.

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

It is not a de Polignac number, because 47807645 - 2⁶ = 47807581 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, 1271 + ... + 9860.

It is an arithmetic number, because the mean of its divisors is an integer number (7180140).

Almost surely, 2^47807645 is an apocalyptic number.

It is an amenable number.

47807645 is a deficient number, since it is larger than the sum of its proper divisors (9633475).

47807645 is a wasteful number, since it uses less digits than its factorization.

47807645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 47807645 is about 6914.3072682663. The cubic root of 47807645 is about 362.9380072073.

The spelling of 47807645 in words is "forty-seven million, eight hundred seven thousand, six hundred forty-five".