47628993 has 16 divisors (see below), whose sum is σ = 65210816. Its totient is φ = 30905280.

The previous prime is 47628949. The next prime is 47629061. The reversal of 47628993 is 39982674.

It is not a de Polignac number, because 47628993 - 2¹⁰ = 47627969 is a prime.

It is a Duffinian number.

Its product of digits (653184) is a multiple of the sum of its prime divisors (1344).

It is not an unprimeable number, because it can be changed into a prime (47628943) 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, 53871 + ... + 54747.

It is an arithmetic number, because the mean of its divisors is an integer number (4075676).

Almost surely, 2^47628993 is an apocalyptic number.

47628993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47628993 is a deficient number, since it is larger than the sum of its proper divisors (17581823).

47628993 is a wasteful number, since it uses less digits than its factorization.

47628993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 653184, while the sum is 48.

The square root of 47628993 is about 6901.3761671133. The cubic root of 47628993 is about 362.4853562059.

The spelling of 47628993 in words is "forty-seven million, six hundred twenty-eight thousand, nine hundred ninety-three".