47140643 has 16 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 39811200.

The previous prime is 47140619. The next prime is 47140673. The reversal of 47140643 is 34604174.

It is not a de Polignac number, because 47140643 - 2¹² = 47136547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47140603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13178 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^47140643 is an apocalyptic number.

47140643 is a deficient number, since it is larger than the sum of its proper divisors (8017117).

47140643 is a wasteful number, since it uses less digits than its factorization.

47140643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 47140643 is about 6865.9043832550. The cubic root of 47140643 is about 361.2422184361.

It can be divided in two parts, 471 and 40643, that added together give a palindrome (41114).

The spelling of 47140643 in words is "forty-seven million, one hundred forty thousand, six hundred forty-three".