47421646 has 8 divisors (see below), whose sum is σ = 72033120. Its totient is φ = 23410608.

The previous prime is 47421631. The next prime is 47421659. The reversal of 47421646 is 64612474.

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

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, 149911 + ... + 150226.

It is an arithmetic number, because the mean of its divisors is an integer number (9004140).

Almost surely, 2^47421646 is an apocalyptic number.

47421646 is a deficient number, since it is larger than the sum of its proper divisors (24611474).

47421646 is a wasteful number, since it uses less digits than its factorization.

47421646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300218.

The product of its digits is 32256, while the sum is 34.

The square root of 47421646 is about 6886.3376333142. The cubic root of 47421646 is about 361.9585791460.

The spelling of 47421646 in words is "forty-seven million, four hundred twenty-one thousand, six hundred forty-six".