421369754 has 8 divisors (see below), whose sum is σ = 680674260. Its totient is φ = 194478336.

The previous prime is 421369733. The next prime is 421369757. The reversal of 421369754 is 457963124.

It can be written as a sum of positive squares in 2 ways, for example, as 295324225 + 126045529 = 17185^2 + 11227^2 .

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 (421369757) 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, 8103239 + ... + 8103290.

Almost surely, 2^421369754 is an apocalyptic number.

421369754 is a deficient number, since it is larger than the sum of its proper divisors (259304506).

421369754 is a wasteful number, since it uses less digits than its factorization.

421369754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16206544.

The product of its digits is 181440, while the sum is 41.

The square root of 421369754 is about 20527.2929048133. The cubic root of 421369754 is about 749.7004753589.

The spelling of 421369754 in words is "four hundred twenty-one million, three hundred sixty-nine thousand, seven hundred fifty-four".