47667644 has 12 divisors (see below), whose sum is σ = 84198744. Its totient is φ = 23610864.

The previous prime is 47667629. The next prime is 47667667. The reversal of 47667644 is 44676674.

It is a junction number, because it is equal to n+sod(n) for n = 47667595 and 47667604.

It is a congruent number.

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, 55259 + ... + 56114.

It is an arithmetic number, because the mean of its divisors is an integer number (7016562).

Almost surely, 2^47667644 is an apocalyptic number.

It is an amenable number.

47667644 is a deficient number, since it is larger than the sum of its proper divisors (36531100).

47667644 is a wasteful number, since it uses less digits than its factorization.

47667644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111484 (or 111482 counting only the distinct ones).

The product of its digits is 677376, while the sum is 44.

The square root of 47667644 is about 6904.1758378535. The cubic root of 47667644 is about 362.5833821666.

The spelling of 47667644 in words is "forty-seven million, six hundred sixty-seven thousand, six hundred forty-four".