47304442 has 4 divisors (see below), whose sum is σ = 70956666. Its totient is φ = 23652220.

The previous prime is 47304437. The next prime is 47304443. The reversal of 47304442 is 24440374.

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., 46908801 + 395641 = 6849^2 + 629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47304442.

It is not an unprimeable number, because it can be changed into a prime (47304443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11826109 + ... + 11826112.

Almost surely, 2^47304442 is an apocalyptic number.

47304442 is a deficient number, since it is larger than the sum of its proper divisors (23652224).

47304442 is a wasteful number, since it uses less digits than its factorization.

47304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23652223.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 47304442 is about 6877.8224751734. The cubic root of 47304442 is about 361.6601360309.

The spelling of 47304442 in words is "forty-seven million, three hundred four thousand, four hundred forty-two".