47719816 has 16 divisors (see below), whose sum is σ = 94738140. Its totient is φ = 22456320.

The previous prime is 47719759. The next prime is 47719823. The reversal of 47719816 is 61891774.

It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 9897316 = 6150^2 + 3146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175305 + ... + 175576.

Almost surely, 2^47719816 is an apocalyptic number.

It is an amenable number.

47719816 is a deficient number, since it is larger than the sum of its proper divisors (47018324).

47719816 is a wasteful number, since it uses less digits than its factorization.

47719816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350904 (or 350900 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 47719816 is about 6907.9530976983. The cubic root of 47719816 is about 362.7156158399.

The spelling of 47719816 in words is "forty-seven million, seven hundred nineteen thousand, eight hundred sixteen".