420742298 has 8 divisors (see below), whose sum is σ = 631269408. Its totient is φ = 210319164.

The previous prime is 420742291. The next prime is 420742307. The reversal of 420742298 is 892247024.

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 (420742291) 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, 14936 + ... + 32627.

It is an arithmetic number, because the mean of its divisors is an integer number (78908676).

Almost surely, 2^420742298 is an apocalyptic number.

420742298 is a deficient number, since it is larger than the sum of its proper divisors (210527110).

420742298 is a wasteful number, since it uses less digits than its factorization.

420742298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51988.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 420742298 is about 20512.0037538998. The cubic root of 420742298 is about 749.3281675531.

The spelling of 420742298 in words is "four hundred twenty million, seven hundred forty-two thousand, two hundred ninety-eight".