47446664 has 8 divisors (see below), whose sum is σ = 88962510. Its totient is φ = 23723328.

The previous prime is 47446627. The next prime is 47446687. The reversal of 47446664 is 46664474.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 7022500 = 6358^2 + 2650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965409 + ... + 2965424.

Almost surely, 2^47446664 is an apocalyptic number.

It is an amenable number.

47446664 is a deficient number, since it is larger than the sum of its proper divisors (41515846).

47446664 is a wasteful number, since it uses less digits than its factorization.

47446664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930839 (or 5930835 counting only the distinct ones).

The product of its digits is 387072, while the sum is 41.

The square root of 47446664 is about 6888.1538891056. The cubic root of 47446664 is about 362.0222201800.

The spelling of 47446664 in words is "forty-seven million, four hundred forty-six thousand, six hundred sixty-four".