47494643 has 8 divisors (see below), whose sum is σ = 55746912. Its totient is φ = 39609216.

The previous prime is 47494631. The next prime is 47494673. The reversal of 47494643 is 34649474.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47494643 - 2¹⁴ = 47478259 is a prime.

It is a super-2 number, since 2×47494643² = 4511482227394898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47494643.

It is not an unprimeable number, because it can be changed into a prime (47494673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91430 + ... + 91947.

It is an arithmetic number, because the mean of its divisors is an integer number (6968364).

Almost surely, 2^47494643 is an apocalyptic number.

47494643 is a deficient number, since it is larger than the sum of its proper divisors (8252269).

47494643 is a wasteful number, since it uses less digits than its factorization.

47494643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183421.

The product of its digits is 290304, while the sum is 41.

The square root of 47494643 is about 6891.6357274598. The cubic root of 47494643 is about 362.1442070676.

The spelling of 47494643 in words is "forty-seven million, four hundred ninety-four thousand, six hundred forty-three".