47403722 has 4 divisors (see below), whose sum is σ = 71105586. Its totient is φ = 23701860.

The previous prime is 47403721. The next prime is 47403731. The reversal of 47403722 is 22730474.

47403722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 45711121 + 1692601 = 6761^2 + 1301^2 .

It is a super-2 number, since 2×47403722² = 4494225718906568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47403721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11850929 + ... + 11850932.

Almost surely, 2^47403722 is an apocalyptic number.

47403722 is a deficient number, since it is larger than the sum of its proper divisors (23701864).

47403722 is a wasteful number, since it uses less digits than its factorization.

47403722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701863.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47403722 is about 6885.0360928611. The cubic root of 47403722 is about 361.9129701349.

The spelling of 47403722 in words is "forty-seven million, four hundred three thousand, seven hundred twenty-two".