47994705 has 24 divisors (see below), whose sum is σ = 90754560. Its totient is φ = 23269920.

The previous prime is 47994701. The next prime is 47994707. The reversal of 47994705 is 50749974.

It is not a de Polignac number, because 47994705 - 2² = 47994701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (47994701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47985 + ... + 48974.

It is an arithmetic number, because the mean of its divisors is an integer number (3781440).

Almost surely, 2^47994705 is an apocalyptic number.

47994705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47994705 is a deficient number, since it is larger than the sum of its proper divisors (42759855).

47994705 is a wasteful number, since it uses less digits than its factorization.

47994705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96981 (or 96978 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 47994705 is about 6927.8210860270. The cubic root of 47994705 is about 363.4107546673.

The spelling of 47994705 in words is "forty-seven million, nine hundred ninety-four thousand, seven hundred five".