427072843 has 4 divisors (see below), whose sum is σ = 427223160. Its totient is φ = 426922528.

The previous prime is 427072837. The next prime is 427072853. The reversal of 427072843 is 348270724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427072843 - 2¹⁷ = 426941771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427072853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70813 + ... + 76606.

It is an arithmetic number, because the mean of its divisors is an integer number (106805790).

Almost surely, 2^427072843 is an apocalyptic number.

427072843 is a deficient number, since it is larger than the sum of its proper divisors (150317).

427072843 is a wasteful number, since it uses less digits than its factorization.

427072843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150316.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 427072843 is about 20665.7408045296. The cubic root of 427072843 is about 753.0676389409.

The spelling of 427072843 in words is "four hundred twenty-seven million, seventy-two thousand, eight hundred forty-three".