421937074 has 16 divisors (see below), whose sum is σ = 689252760. Its totient is φ = 192551040.

The previous prime is 421936997. The next prime is 421937107. The reversal of 421937074 is 470739124.

It can be written as a sum of positive squares in 4 ways, for example, as 104919049 + 317018025 = 10243^2 + 17805^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88857 + ... + 93484.

Almost surely, 2^421937074 is an apocalyptic number.

421937074 is a deficient number, since it is larger than the sum of its proper divisors (267315686).

421937074 is a wasteful number, since it uses less digits than its factorization.

421937074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182445.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 421937074 is about 20541.1069321982. The cubic root of 421937074 is about 750.0367827886.

The spelling of 421937074 in words is "four hundred twenty-one million, nine hundred thirty-seven thousand, seventy-four".