47404136 has 16 divisors (see below), whose sum is σ = 95720100. Its totient is φ = 21878784.

The previous prime is 47404129. The next prime is 47404151. The reversal of 47404136 is 63140474.

It can be written as a sum of positive squares in 2 ways, for example, as 46922500 + 481636 = 6850^2 + 694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47404099 and 47404108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227801 + ... + 228008.

Almost surely, 2^47404136 is an apocalyptic number.

It is an amenable number.

47404136 is an abundant number, since it is smaller than the sum of its proper divisors (48315964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47404136 is a wasteful number, since it uses less digits than its factorization.

47404136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455828 (or 455824 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 47404136 is about 6885.0661579973. The cubic root of 47404136 is about 361.9140237198.

The spelling of 47404136 in words is "forty-seven million, four hundred four thousand, one hundred thirty-six".