47405966 has 8 divisors (see below), whose sum is σ = 71813304. Its totient is φ = 23468200.

The previous prime is 47405959. The next prime is 47405987. The reversal of 47405966 is 66950474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47405966² = 4494651224786312, which contains 22 as substring.

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, 117140 + ... + 117543.

It is an arithmetic number, because the mean of its divisors is an integer number (8976663).

Almost surely, 2^47405966 is an apocalyptic number.

47405966 is a deficient number, since it is larger than the sum of its proper divisors (24407338).

47405966 is a wasteful number, since it uses less digits than its factorization.

47405966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234786.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 47405966 is about 6885.1990530412. The cubic root of 47405966 is about 361.9186807968.

The spelling of 47405966 in words is "forty-seven million, four hundred five thousand, nine hundred sixty-six".