47264409 has 6 divisors (see below), whose sum is σ = 68270826. Its totient is φ = 31509600.

The previous prime is 47264389. The next prime is 47264417. The reversal of 47264409 is 90446274.

47264409 is a `hidden beast` number, since 4 + 7 + 2 + 644 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 1742400 = 6747^2 + 1320^2 .

It is not a de Polignac number, because 47264409 - 2¹¹ = 47262361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47264209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2625792 + ... + 2625809.

It is an arithmetic number, because the mean of its divisors is an integer number (11378471).

Almost surely, 2^47264409 is an apocalyptic number.

It is an amenable number.

47264409 is a deficient number, since it is larger than the sum of its proper divisors (21006417).

47264409 is a wasteful number, since it uses less digits than its factorization.

47264409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251607 (or 5251604 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47264409 is about 6874.9115630676. The cubic root of 47264409 is about 361.5580848225.

The spelling of 47264409 in words is "forty-seven million, two hundred sixty-four thousand, four hundred nine".