420437763 has 32 divisors (see below), whose sum is σ = 633600000. Its totient is φ = 275498496.

The previous prime is 420437747. The next prime is 420437783. The reversal of 420437763 is 367734024.

It is a happy number.

It is not a de Polignac number, because 420437763 - 2⁴ = 420437747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420437783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936163 + ... + 936611.

It is an arithmetic number, because the mean of its divisors is an integer number (19800000).

Almost surely, 2^420437763 is an apocalyptic number.

420437763 is a deficient number, since it is larger than the sum of its proper divisors (213162237).

420437763 is a wasteful number, since it uses less digits than its factorization.

420437763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 420437763 is about 20504.5790739532. The cubic root of 420437763 is about 749.1473349839.

The spelling of 420437763 in words is "four hundred twenty million, four hundred thirty-seven thousand, seven hundred sixty-three".