420312047 has 8 divisors (see below), whose sum is σ = 427764480. Its totient is φ = 412870680.

The previous prime is 420312031. The next prime is 420312071. The reversal of 420312047 is 740213024.

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 420312047 - 2⁴ = 420312031 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 (420312017) 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, 124058 + ... + 127400.

It is an arithmetic number, because the mean of its divisors is an integer number (53470560).

Almost surely, 2^420312047 is an apocalyptic number.

420312047 is a deficient number, since it is larger than the sum of its proper divisors (7452433).

420312047 is a wasteful number, since it uses less digits than its factorization.

420312047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420312047 is about 20501.5132856089. The cubic root of 420312047 is about 749.0726594883.

The spelling of 420312047 in words is "four hundred twenty million, three hundred twelve thousand, forty-seven".