47478404 has 6 divisors (see below), whose sum is σ = 83087214. Its totient is φ = 23739200.

The previous prime is 47478401. The next prime is 47478427. The reversal of 47478404 is 40487474.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25482304 + 21996100 = 5048^2 + 4690^2 .

It is not an unprimeable number, because it can be changed into a prime (47478401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934797 + ... + 5934804.

It is an arithmetic number, because the mean of its divisors is an integer number (13847869).

Almost surely, 2^47478404 is an apocalyptic number.

It is an amenable number.

47478404 is a deficient number, since it is larger than the sum of its proper divisors (35608810).

47478404 is a wasteful number, since it uses less digits than its factorization.

47478404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869605 (or 11869603 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 47478404 is about 6890.4574594144. The cubic root of 47478404 is about 362.1029285164.

The spelling of 47478404 in words is "forty-seven million, four hundred seventy-eight thousand, four hundred four".