420046736 has 20 divisors (see below), whose sum is σ = 814447872. Its totient is φ = 209866656.

The previous prime is 420046729. The next prime is 420046751. The reversal of 420046736 is 637640024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14081 + ... + 32223.

Almost surely, 2^420046736 is an apocalyptic number.

It is an amenable number.

420046736 is a deficient number, since it is larger than the sum of its proper divisors (394401136).

420046736 is a wasteful number, since it uses less digits than its factorization.

420046736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19598 (or 19592 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 420046736 is about 20495.0417418458. The cubic root of 420046736 is about 748.9150154646.

The spelling of 420046736 in words is "four hundred twenty million, forty-six thousand, seven hundred thirty-six".