47640958 has 16 divisors (see below), whose sum is σ = 75979296. Its totient is φ = 22353760.

The previous prime is 47640949. The next prime is 47640977. The reversal of 47640958 is 85904674.

It is a congruent number.

It is an unprimeable number.

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, 7333 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (4748706).

Almost surely, 2^47640958 is an apocalyptic number.

47640958 is a deficient number, since it is larger than the sum of its proper divisors (28338338).

47640958 is a wasteful number, since it uses less digits than its factorization.

47640958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19619.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 47640958 is about 6902.2429687747. The cubic root of 47640958 is about 362.5157072861.

The spelling of 47640958 in words is "forty-seven million, six hundred forty thousand, nine hundred fifty-eight".