47444746 has 4 divisors (see below), whose sum is σ = 71167122. Its totient is φ = 23722372.

The previous prime is 47444741. The next prime is 47444753. The reversal of 47444746 is 64744474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 2030625 = 6739^2 + 1425^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47444699 and 47444708.

It is not an unprimeable number, because it can be changed into a prime (47444741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861185 + ... + 11861188.

Almost surely, 2^47444746 is an apocalyptic number.

47444746 is a deficient number, since it is larger than the sum of its proper divisors (23722376).

47444746 is a wasteful number, since it uses less digits than its factorization.

47444746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23722375.

The product of its digits is 301056, while the sum is 40.

The square root of 47444746 is about 6888.0146631667. The cubic root of 47444746 is about 362.0173419447.

The spelling of 47444746 in words is "forty-seven million, four hundred forty-four thousand, seven hundred forty-six".