420754 has 8 divisors (see below), whose sum is σ = 639360. Its totient is φ = 207636.

The previous prime is 420743. The next prime is 420757. The reversal of 420754 is 457024.

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

It is not an unprimeable number, because it can be changed into a prime (420757) 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, 1174 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (79920).

2⁴²⁰⁷⁵⁴ is an apocalyptic number.

420754 is a deficient number, since it is larger than the sum of its proper divisors (218606).

420754 is a wasteful number, since it uses less digits than its factorization.

420754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 420754 is about 648.6555326211. The cubic root of 420754 is about 74.9335114447.

Adding to 420754 its reverse (457024), we get a palindrome (877778).

The spelling of 420754 in words is "four hundred twenty thousand, seven hundred fifty-four".