47791716 has 48 divisors (see below), whose sum is σ = 130897536. Its totient is φ = 13284864.

The previous prime is 47791693. The next prime is 47791717. The reversal of 47791716 is 61719774.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (47791717) 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, 4581 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (2727032).

Almost surely, 2^47791716 is an apocalyptic number.

It is an amenable number.

47791716 is an abundant number, since it is smaller than the sum of its proper divisors (83105820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47791716 is a wasteful number, since it uses less digits than its factorization.

47791716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428 (or 15426 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 47791716 is about 6913.1552853961. The cubic root of 47791716 is about 362.8976936987.

The spelling of 47791716 in words is "forty-seven million, seven hundred ninety-one thousand, seven hundred sixteen".