47442646 has 16 divisors (see below), whose sum is σ = 73221120. Its totient is φ = 23043240.

The previous prime is 47442613. The next prime is 47442649. The reversal of 47442646 is 64624474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47442649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11251 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (4576320).

Almost surely, 2^47442646 is an apocalyptic number.

47442646 is a deficient number, since it is larger than the sum of its proper divisors (25778474).

47442646 is a wasteful number, since it uses less digits than its factorization.

47442646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its digits is 129024, while the sum is 37.

The square root of 47442646 is about 6887.8622227800. The cubic root of 47442646 is about 362.0120006603.

The spelling of 47442646 in words is "forty-seven million, four hundred forty-two thousand, six hundred forty-six".