47420747 has 6 divisors (see below), whose sum is σ = 52123764. Its totient is φ = 43109660.

The previous prime is 47420699. The next prime is 47420749. The reversal of 47420747 is 74702474.

It is not a de Polignac number, because 47420747 - 2⁸ = 47420491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47420749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195833 + ... + 196074.

It is an arithmetic number, because the mean of its divisors is an integer number (8687294).

Almost surely, 2^47420747 is an apocalyptic number.

47420747 is a deficient number, since it is larger than the sum of its proper divisors (4703017).

47420747 is a wasteful number, since it uses less digits than its factorization.

47420747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391929 (or 391918 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 47420747 is about 6886.2723588310. The cubic root of 47420747 is about 361.9562918444.

The spelling of 47420747 in words is "forty-seven million, four hundred twenty thousand, seven hundred forty-seven".