420752254 has 8 divisors (see below), whose sum is σ = 679676760. Its totient is φ = 194193336.

The previous prime is 420752249. The next prime is 420752257. The reversal of 420752254 is 452257024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420752257) 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, 8091364 + ... + 8091415.

It is an arithmetic number, because the mean of its divisors is an integer number (84959595).

Almost surely, 2^420752254 is an apocalyptic number.

420752254 is a deficient number, since it is larger than the sum of its proper divisors (258924506).

420752254 is a wasteful number, since it uses less digits than its factorization.

420752254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182794.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 420752254 is about 20512.2464396272. The cubic root of 420752254 is about 749.3340779425.

The spelling of 420752254 in words is "four hundred twenty million, seven hundred fifty-two thousand, two hundred fifty-four".