47497786 has 16 divisors (see below), whose sum is σ = 81694080. Its totient is φ = 20288880.

The previous prime is 47497771. The next prime is 47497789. The reversal of 47497786 is 68779474.

It is not an unprimeable number, because it can be changed into a prime (47497789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 9808.

It is an arithmetic number, because the mean of its divisors is an integer number (5105880).

Almost surely, 2^47497786 is an apocalyptic number.

47497786 is a deficient number, since it is larger than the sum of its proper divisors (34196294).

47497786 is a wasteful number, since it uses less digits than its factorization.

47497786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229.

The product of its digits is 2370816, while the sum is 52.

The square root of 47497786 is about 6891.8637537316. The cubic root of 47497786 is about 362.1521952958.

The spelling of 47497786 in words is "forty-seven million, four hundred ninety-seven thousand, seven hundred eighty-six".