47640035 has 8 divisors (see below), whose sum is σ = 60530976. Its totient is φ = 35870080.

The previous prime is 47640031. The next prime is 47640037. The reversal of 47640035 is 53004674.

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

It is not a de Polignac number, because 47640035 - 2² = 47640031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47640031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280151 + ... + 280320.

It is an arithmetic number, because the mean of its divisors is an integer number (7566372).

Almost surely, 2^47640035 is an apocalyptic number.

47640035 is a deficient number, since it is larger than the sum of its proper divisors (12890941).

47640035 is a wasteful number, since it uses less digits than its factorization.

47640035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560493.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 47640035 is about 6902.1761061277. The cubic root of 47640035 is about 362.5133661342.

The spelling of 47640035 in words is "forty-seven million, six hundred forty thousand, thirty-five".