405572047 has 8 divisors (see below), whose sum is σ = 421412400. Its totient is φ = 389855424.

The previous prime is 405572033. The next prime is 405572117. The reversal of 405572047 is 740275504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405572047 - 2¹⁵ = 405539279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405570047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24222 + ... + 37387.

It is an arithmetic number, because the mean of its divisors is an integer number (52676550).

Almost surely, 2^405572047 is an apocalyptic number.

405572047 is a deficient number, since it is larger than the sum of its proper divisors (15840353).

405572047 is a wasteful number, since it uses less digits than its factorization.

405572047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61865.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 405572047 is about 20138.8194043246. The cubic root of 405572047 is about 740.2118014376.

The spelling of 405572047 in words is "four hundred five million, five hundred seventy-two thousand, forty-seven".