47919669 has 16 divisors (see below), whose sum is σ = 73582080. Its totient is φ = 27172080.

The previous prime is 47919661. The next prime is 47919689. The reversal of 47919669 is 96691974.

It is not a de Polignac number, because 47919669 - 2³ = 47919661 is a prime.

It is a super-2 number, since 2×47919669² = 4592589354139122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919661) 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, 5959 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (4598880).

Almost surely, 2^47919669 is an apocalyptic number.

It is an amenable number.

47919669 is a deficient number, since it is larger than the sum of its proper divisors (25662411).

47919669 is a wasteful number, since it uses less digits than its factorization.

47919669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560.

The product of its digits is 734832, while the sum is 51.

The square root of 47919669 is about 6922.4034121106. The cubic root of 47919669 is about 363.2212677043.

The spelling of 47919669 in words is "forty-seven million, nine hundred nineteen thousand, six hundred sixty-nine".