421052074 has 4 divisors (see below), whose sum is σ = 631578114. Its totient is φ = 210526036.

The previous prime is 421052069. The next prime is 421052077. The reversal of 421052074 is 470250124.

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

It can be written as a sum of positive squares in only one way, i.e., 287811225 + 133240849 = 16965^2 + 11543^2 .

It is not an unprimeable number, because it can be changed into a prime (421052077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105263017 + ... + 105263020.

Almost surely, 2^421052074 is an apocalyptic number.

421052074 is a deficient number, since it is larger than the sum of its proper divisors (210526040).

421052074 is a wasteful number, since it uses less digits than its factorization.

421052074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210526039.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 421052074 is about 20519.5534551803. The cubic root of 421052074 is about 749.5120227212.

The spelling of 421052074 in words is "four hundred twenty-one million, fifty-two thousand, seventy-four".